JP6928614B2 - Liquid skin cleanser composition - Google Patents

Description

The present invention relates to a liquid skin cleansing composition.

Conventionally, liquid skin cleansing compositions such as hand soap and body soap have a large amount of foam, good foam performance such as creaminess of foam, and good skin condition after washing. It is desired to do. In particular, recently, there has been a strong demand for providing a liquid skin cleansing composition having a high moisturizing property that can give a moist feeling to the skin after washing.

In order to improve the condition of the skin after washing, for example, a liquid skin cleansing composition containing a fatty acid salt and a cationic polymer having a structural unit derived from dimethyldiallylammonium chloride has been proposed (for example, See Patent Document 1). However, the above proposals are soluble, creamy foam, moisturized skin after towel drying, non-greasy skin after towel drying, smooth skin after towel drying, and smooth skin after towel drying. , And the smoothness of the skin after towel drying was not satisfactory.
Further, a skin cleansing composition containing a fatty acid salt, a cationic polymer, a polyether-modified silicone, and a polyhydric alcohol has been proposed (see, for example, Patent Document 2). However, the above proposal was not satisfactory for the moist feeling of the skin after towel drying and the smooth feeling of the skin after towel drying.
Further, a liquid skin cleansing composition containing a fatty acid salt, a cationic polymer, an oil agent, a silicone, and a polyhydric alcohol has been proposed (see, for example, Patent Document 3). However, the above proposals were not satisfactory in terms of solubility, moist feeling of the skin after towel drying, smooth feeling of the skin after towel drying, and smoothness of the skin after towel drying.
Further, a liquid skin cleansing composition containing a fatty acid salt, an oil agent, a silicone, and a polyhydric alcohol has been proposed (see, for example, Patent Document 4). However, the above proposal is satisfactory for the large amount of foam, the creaminess of the foam, the moist feeling of the skin after towel drying, the smooth feeling of the skin after towel drying, and the smoothness of the skin after towel drying. It wasn't.

Therefore, solubility, large amount of foam, creaminess of foam, moist feeling of skin after towel drying, smooth feeling of skin after towel drying, non-stickiness of skin after towel drying, after towel drying It is desired to provide a liquid skin cleaning agent composition that satisfies all of the smoothness of the skin and the smoothness of the skin after towel drying.

Japanese Unexamined Patent Publication No. 2004-262838 Japanese Unexamined Patent Publication No. 2005-272658 Japanese Unexamined Patent Publication No. 2009-67734 Japanese Unexamined Patent Publication No. 2004-204807

An object of the present invention is to solve the above-mentioned problems in the past and to achieve the following object. That is, the present invention has solubility, a large amount of foam, creaminess of foam, moist feeling of skin after towel drying, smooth feeling of skin after towel drying, and non-stickiness of skin after towel drying. It is an object of the present invention to provide a liquid skin cleaning agent composition that satisfies all of the smoothness of the skin after towel-drying and the smoothness of the skin after towel-drying.

As a result of diligent studies by the present inventors in order to solve the above problems, (A) higher fatty acid salt, (B) cationic polymer, (C) higher alcohol having 12 to 22 carbon atoms, jojoba oil, olive oil. , A monovalent alcohol fatty acid ester, and at least one selected from hydrocarbons, (D) polyethylene glycol dimethicone, and (E) polyhydric alcohol-containing liquid skin cleansing composition, due to the synergistic effect of each component. Solubility, large amount of foam, creamy foam, moisturized skin after towel drying, smooth skin after towel drying, non-greasy skin after towel drying, skin after towel drying It was found that it is excellent in all of the smooth feeling and the smoothness of the skin after towel drying.

ただし、前記一般式（１）中、ｎ、ｍ、及びｚは各構造単位のモル比（モル％）を示し、ｎ＋ｍ＋ｚ＝１００であり、前記ｎは０〜３４、前記ｍは２６．５〜３１、前記ｚは３５〜７０である。The present invention is based on the above-mentioned findings by the present inventors, and the means for solving the above-mentioned problems are as follows. That is,
<1> (A) Higher fatty acid salt containing all of laurate, myristate, and palmitate, 10% by mass to 32% by mass,
(B) At least one cationic polymer selected from the dimethyldiallylammonium chloride polymer and the copolymer of dimethyldiallylammonium chloride and acrylic acid having a molar ratio of dimethyldiallylammonium chloride of 65% or more. 2% by mass to 0.4% by mass,
(C) At least one selected from higher alcohols having 12 to 22 carbon atoms, jojoba oil, olive oil, monohydric alcohol fatty acid esters, and hydrocarbons, 0.05% by mass to 0.7% by mass,
(D) Polyethylene glycol dimethicone 0.2% by mass to 1% by mass having HLB 8 to 13 and an average addition molar number of polyethylene glycol of 9 to 17, and (E) propylene glycol, 1,3-butylene glycol, and It is a liquid skin cleaning agent composition containing 8% by mass to 20% by mass of at least one polyhydric alcohol selected from dipropylene glycol.
<2> Further, the (F) alkyl group contains 0.1% by mass to 2% by mass of a polyoxyethylene alkyl ether having 12 to 16 carbon atoms and an average addition molar number of ethylene oxide of 19 to 50. The liquid skin cleansing composition according to <1>.
<3> (A) Higher fatty acid salt containing all of laurate, myristate, and palmitate, 10% by mass to 32% by mass,
(B) At least one cationic polymer selected from the dimethyldiallylammonium chloride polymer and the copolymer of dimethyldiallylammonium chloride and acrylic acid having a molar ratio of dimethyldiallylammonium chloride of 65% or more. 2% by mass to 0.4% by mass,
(C) At least one selected from higher alcohols having 12 to 22 carbon atoms, jojoba oil, olive oil, monohydric alcohol fatty acid esters, and hydrocarbons, more than 0.7% by mass and not more than 1.5% by mass.
(D) Polyethylene glycol dimethicone 0.2% by mass to 1% by mass, which is HLB 8 to 13 and has an average addition molar number of polyethylene glycol of 9 to 17.
(E) At least one polyhydric alcohol selected from propylene glycol, 1,3-butylene glycol, and dipropylene glycol is 8% by mass to 20% by mass, and (F) the alkyl group has 12 to 16 carbon atoms. It is a liquid skin cleaning agent composition which is present and contains 0.4% by mass to 2% by mass of polyoxyethylene alkyl ether having an average addition mole number of ethylene oxide of 19 to 50.
<4> The component (C) is cetyl alcohol, behenyl alcohol, isostearyl alcohol, hexyldecanol, stearyl alcohol, jojoba oil, isostearyl isostearate, octyldodecyl myristate, hexyldecyl isostearate, isodecyl neopentate, isostearyl neopentate. , And the liquid skin cleaning agent composition according to any one of <1> to <3>, which is at least one selected from liquid paraffin.
<5> Further, (G) is the liquid skin cleansing composition according to any one of <1> to <4>, which contains a copolymer represented by the following general formula (1).

However, in the general formula (1), n, m, and z indicate the molar ratio (mol%) of each structural unit, n + m + z = 100, the n is 0 to 34, and the m is 26.5 to 5 31, the z is 35 to 70.

According to the present invention, the above-mentioned problems in the prior art can be solved and the above-mentioned object can be achieved, and the solubility, the large amount of foam, the creaminess of foam, the moist feeling of the skin after towel drying, and the towel To provide a liquid skin cleaning agent composition that satisfies all of the smoothness of the skin after drying, the non-stickiness of the skin after towel drying, the smoothness of the skin after towel drying, and the smoothness of the skin after towel drying. Can be done.

(Liquid skin cleanser composition)
The liquid skin cleaning composition of the present invention comprises (A) a higher fatty acid salt, (B) a cationic polymer, (C) a higher alcohol having 12 to 22 carbon atoms, jojoba oil, olive oil, a monohydric alcohol fatty acid ester, and a hydrocarbon. It preferably contains at least one selected from hydrogen, (D) polyethylene glycol dimethicone, and (E) polyhydric alcohol, (F) polyoxyethylene alkyl ether, and (G) copolymer. Further, if necessary, other components are contained.

<(A) Higher fatty acid salt>
The higher fatty acid salt of the component (A) is contained in order to improve the amount of foam, the creaminess of the foam, and the moist feeling of the skin after towel drying.
The higher fatty acid salt of the component (A) contains any of laurate, myristic acid, and palmitate, and may further contain other higher fatty acid salts such as stearate, if necessary. ..

Examples of the counterion of the higher fatty acid salt of the component (A) include alkali metal ions, ammonium ions, alkanolamines, and basic amino acids.
Examples of the alkali metal ion include sodium ion and potassium ion.
Examples of the alkanolamine include monoethanolamine, diethanolamine, triethanolamine, triisopropanolamine, 2-amino-2-methylpropanol, 2-amino-2-methylpropanediol and the like.
Examples of the basic amino acid include lysine and arginine.
Among these, potassium ions are preferable from the viewpoint of the large amount of foam and the creaminess of the foam.
The higher fatty acid salt of the component (A) is not particularly limited and may be blended as a higher fatty acid salt, but the higher fatty acid and salts such as potassium hydroxide, triethanolamine and monoethanolamine , May be separately added to a compounding tank and subjected to a neutralization reaction to obtain a higher fatty acid salt.

The content of the higher fatty acid salt of the component (A) is the total amount of the liquid skin cleansing composition from the viewpoint of the large amount of foam, the creaminess of the foam, and the moist feeling of the skin after towel drying. On the other hand, it is 10% by mass to 32% by mass, preferably 20% by mass to 32% by mass. If the content is less than 10% by mass, the amount of foam, the creaminess of the foam, and the moist feeling of the skin after towel drying may be insufficient, and if it exceeds 32% by mass, it may be insufficient. The moist feeling of the skin after towel drying may be insufficient.

The content of the lauric acid salt is preferably 3% by mass to 12% by mass, more preferably 7% by mass to 12% by mass, based on the total amount of the liquid skin cleansing composition. The content of the myristate is preferably 4% by mass to 14% by mass, more preferably 8% by mass to 14% by mass, based on the total amount of the liquid skin cleansing composition. The content of the palmitic acid salt is preferably 1% by mass to 9% by mass, more preferably 3% by mass to 9% by mass, based on the total amount of the liquid skin cleansing composition. When the contents of the laurate salt, the myristate salt, and the palmitate salt are out of the numerical range, the amount of foam, the creaminess of the foam, and the moist feeling of the skin after towel drying are exhibited. May be inadequate.

The other higher fatty acid salt is not particularly limited as long as the effect of the present invention is not impaired, and can be appropriately selected depending on the intended purpose, but stearate is preferable.
The content of the stearate is not particularly limited and may be appropriately selected depending on the intended purpose, but is 20% by mass from the viewpoint of the large amount of bubbles with respect to the total amount of the higher fatty acid salt. The following is preferable, and 10% by mass or less is more preferable. The lower limit of the stearate content is preferably 0% by mass.

<(B) Cationic polymer>
The cationic polymer of the component (B) is at least one selected from a dimethyldiallylammonium chloride polymer and a dimethyldiallylammonium chloride-acrylic acid copolymer, and improves the moist feeling of the skin after towel drying. Is contained for.

ただし、前記一般式（２）中、ｎ、及びｍは各構造単位のモル比を示し、ｎ＋ｍ＝１００モル％であり、前記ｍは６５モル％以上である。The dimethyldiallylammonium chloride-acrylic acid copolymer among the components (B) is represented by the following general formula (2).

However, in the general formula (2), n and m indicate the molar ratio of each structural unit, n + m = 100 mol%, and m is 65 mol% or more.

The molar ratio of the structural unit derived from dimethyldiallylammonium chloride in the dimethyldiallylammonium chloride-acrylic acid copolymer among the components (B) is 65 mol% or more from the viewpoint of the moist feeling of the skin after towel drying. Yes, 95 mol% is preferred. If the molar ratio is less than 65 mol%, the moist feeling of the skin after towel drying may be insufficient.

The molar ratio of structural units in the dimethyldiallyl ammonium chloride-acrylic acid copolymer among the components (B) can be determined by measuring under the following measurement conditions by nuclear magnetic resonance (NMR).
[Measurement condition]
Solvent: heavy water (D ₂ O)
Measuring instrument: JNM-LA300 (300MHz, manufactured by JEOL Ltd.)

The weight average molecular weight of the cationic polymer of the component (B) is not particularly limited and may be appropriately selected depending on the intended purpose. However, from the viewpoint of the moist feeling of the skin after towel drying, 10,000 to 1 Million is preferable, and 15,000 to 450,000 is more preferable.
The weight average molecular weight of the cationic polymer of the component (B) is, for example, the SEC-MALLS-RI system (measurement conditions: column: TSKgel α series α-M column 30 cm manufactured by Tosoh Corporation, solvent: sodium nitrate 0.3 M aqueous solution). Can be measured with.

The viscosity of the copolymer solution having a solid content of 30% by mass to 44% by mass in the cationic polymer of the component (B) at 25 ° C. is 10 mPa · s to 15 from the viewpoint of the moist feeling of the skin after towel drying. 000 mPa · s is preferable, and 20 mPa · s to 12,000 mPa · s is more preferable.
The viscosity can be measured using, for example, a Brookfield viscometer LVF (manufactured by Brookfield).

As the cationic polymer of the component (B), an appropriately synthesized polymer may be used, or a commercially available product may be used. Examples of the commercially available product include the following.
Marcourt 100 (component name: dimethyldialylammonium chloride polymer, manufactured by Lubrizol, viscosity at 25 ° C. with solid content of 39% by mass to 44% by mass: 8,000 mPa · s to 12,000 mPa · s, weight average molecular weight: 150,000). The viscosity was determined by using a Brookfield viscometer LVF (manufactured by Brookfield) at 25 ° C. It can be measured under the condition of 6 rotations / minute using the rotor of 3.

Marcourt 106 (Component name: Dimethyldialylammonium chloride polymer, manufactured by Lubrizol, viscosity at 25 ° C. with a solid content of 30% by mass to 36% by mass: 20 mPa · s to 65 mPa · s, weight average molecular weight: 15,000) .. The viscosity was determined by using a Brookfield viscometer LVF (manufactured by Brookfield) at 25 ° C. It can be measured under the condition of 60 rotations / minute using one rotor.

Marcourt 295 (Component name: Dimethyldiallylammonium chloride-acrylic acid copolymer, manufactured by Lubrizol, viscosity at 25 ° C. with a solid content of 35% by mass to 40% by mass: 3,500 mPa · s to 9,000 mPa · s, Weight average molecular weight: 190,000, n: m = 5: 95 (molar ratio) in the general formula (1), molar ratio of structural units derived from dimethyldialylammonium chloride is 95 mol%). The viscosity was determined by using a Brookfield viscometer LVF (manufactured by Brookfield) at 25 ° C. It can be measured under the condition of 30 rotations / minute using the rotor of 4.

Marcourt 280 (ingredient name: dimethyldialylammonium chloride-acrylic acid copolymer, manufactured by Lubrizol, viscosity at 25 ° C. with a solid content of 39% by mass to 43% by mass: 3,000 mPa · s to 6,000 mPa · s, Weight average molecular weight: 450,000, n: m = 35: 65 (molar ratio) in the general formula (1), molar ratio of structural units derived from dimethyldialylammonium chloride is 65 mol%). The viscosity was determined by using a Brookfield viscometer LVF (manufactured by Brookfield) at 25 ° C. It can be measured under the condition of 60 rotations / minute using the rotor of 4.

Among these, from the viewpoint of the moist feeling of the skin after towel drying, the cationic polymer of the component (B) is preferably Marcoat 100, Marcoat 106, and Marcoat 295, and Marcoat 100 is more preferable.

The content of the cationic polymer of the component (B) is based on the total amount of the liquid skin cleansing composition from the viewpoint of the moist feeling of the skin after towel drying and the non-stickiness of the skin after towel drying. , 0.2% by mass to 0.4% by mass, preferably 0.3% by mass to 0.4% by mass. If the content is less than 0.2% by mass, the moist feeling of the skin after towel drying may be insufficient, and if it exceeds 0.4% by mass, the skin is not sticky after towel drying. May be inadequate.

<(C) At least one selected from higher alcohols, jojoba oil, olive oil, monohydric alcohol fatty acid esters, and hydrocarbons>
The component (C) is at least one selected from higher alcohols having 12 to 22 carbon atoms, jojoba oil, olive oil, monohydric alcohol fatty acid esters, and hydrocarbons, and has a moist feeling of the skin after towel drying and a moist feeling of the skin. It is contained to improve the smoothness of the skin after towel drying.

The higher alcohol has 12 to 22 carbon atoms, preferably 16 to 20 carbon atoms.
Examples of the higher alcohol include cetyl alcohol, behenyl alcohol, isostearyl alcohol, hexyldecanol, stearyl alcohol and the like. These may be used alone or in combination of two or more. Among these, behenyl alcohol is preferable from the viewpoint of the moist feeling of the skin after towel drying and the smooth feeling of the skin after towel drying.

Examples of the monovalent alcohol fatty acid ester include isostearyl laurate, hexyl laurate, methyl myristate, ethyl myristate, butyl myristate, cetyl myristate, myristyl myristate, isopropyl myristate, isostearyl myristate, and myristin. Isocetyl acid, isotorideyl myristate, octyldodecyl myristate, decyl myristate, butyl myristate, isobutyl myristate, methyl palmitate, ethyl palmitate, isopropyl palmitate, isostearyl palmitate, cetyl palmitate, butyl palmitate, palmitin Isobutyl acid, octyl palmitate, octyl isopalmitate, ethyl stearate, butyl stearate, batyl stearate, stearyl stearate, octyl stearate, isosetyl stearate, isopropyl isostearate, ethyl oleate, decyl oleate, oleic acid Examples thereof include oleyl, octyldodecyl oleate, ethyl linoleate, and isopropyl linoleate. These may be used alone or in combination of two or more. Among these, isostaryl isostearate, octyldodecyl myristate, hexyldecyl isostearate, isodecyl neopentaneate, and isostearyl neopentaneate from the viewpoint of the moist feeling of the skin after towel drying and the smooth feeling of the skin after towel drying. Is preferable, and octyldodecyl myristate is more preferable.

Examples of the hydrocarbon include liquid paraffin and the like.
As the liquid paraffin, liquid paraffin which is liquid at 40 ° C. is preferable.
The kinematic viscosity of the liquid paraffin that is liquid at 40 ° C. is not particularly limited and may be appropriately selected depending on the intended purpose. However, the skin feels moist after towel drying and the skin feels smooth after towel drying. in terms of, at 40 ° C., preferably ^{12.8mm 2 s -1 ~70mm 2 s -1} , more preferably ^{18.5mm 2 s -1 ~70mm 2 s -1} .
As the liquid paraffin, those synthesized as appropriate may be used, or commercially available products may be used. The commercially available products include a trade name: 80-S (kinematic viscosity 12.8 mm ² s ^{-1 to} 14.8 ^{mm 2} s ^-1 ) and a trade name: 90-S (kinematic viscosity 14.4 mm ² s ^{-1 to} 16). .4 mm ² s ^-1 ), trade name: 100-S (kinematic viscosity 16.0 mm ² s ^{-1 to} 20.0 ^{mm 2} s ^-1 ), trade name: 120-S (kinematic viscosity 18.5 mm ² s ^-1) ~ 22.5mm ² s ^-1 ), trade name: 150-S (kinematic viscosity 23.4mm ² s ^-1 ~ 27.4mm ² s ^-1 ), trade name: 260-S (kinematic viscosity 46.0mm ² s) ^{-1 to} 52.0 mm ² s ^-1 ), trade name: 350-S (kinematic viscosity 64.0 mm ² s ^{-1 to} 70.0 ^{mm 2} s ^-1 ) (above, manufactured by Sanko Chemical Industry Co., Ltd.), etc. Be done. These may be used alone or in combination of two or more. Among these, product name: 120-S, product name: 150-S, product name: 260-S, product name: 350-S are preferable, and product name: 350-S is more preferable.

Among these, as the component (C), behenyl alcohol, jojoba oil, octyldodecyl myristate, and liquid paraffin (trade name: 350-S) are preferable.

When the component (F) is not contained, the content of the component (C) includes the liquid skin cleanser from the viewpoint of solubility, moist feeling of the skin after towel drying, and smoothness of the skin after towel drying. It is 0.05% by mass to 0.7% by mass, preferably 0.2% by mass to 0.7% by mass, based on the total amount of the agent composition. If the content is less than 0.05% by mass, the moist feeling of the skin after towel drying and the smooth feeling of the skin after towel drying may be insufficient, and if it exceeds 0.7% by mass. , The solubility may be insufficient.

When the component (F) is contained, the content of the component (C) includes solubility, a large amount of foam, creaminess of foam, moist feeling of the skin after towel drying, and after towel drying. From the viewpoint of the smoothness of the skin, it is 0.05% by mass to 0.7% by mass, or more than 0.7% by mass and 1.5% by mass or less, which is 0, based on the total amount of the liquid skin cleaning agent composition. .2% by mass to 0.7% by mass, or more than 0.7% by mass and 1% by mass or less is preferable. If the content is less than 0.05% by mass, the moist feeling of the skin after towel drying and the smooth feeling of the skin after towel drying may be insufficient, and if it exceeds 1.5% by mass. , Solubility, high foam volume, foam creaminess may be inadequate.

Regarding the effect of improving the moist feeling of the skin after towel drying, the component (C) is superior to the cationic polymer of the component (B).

ただし、前記一般式（３）中、ｎ、ｍは各構造単位のモル比（モル％）を示し、ｎ＋ｍ＝１００である。ａはポリエチレングリコールの平均付加モル数を示し、前記ａは９〜１７であり、１２がより好ましい。<(D) Polyethylene glycol dimethicone>
The polyethylene glycol dimethicone of the component (D) is contained in order to impart a smooth feeling to the skin after towel drying.
The polyethylene glycol dimethicone of the component (D) is a kind of polyether-modified silicone, a copolymer of polyoxyethylene and dimethylsilicone, and is represented by the following general formula (3).

However, in the general formula (3), n and m indicate the molar ratio (mol%) of each structural unit, and n + m = 100. a indicates the average number of moles of polyethylene glycol added, and a is 9 to 17, more preferably 12.

The polyethylene glycol dimethicone of the component (D) is a liquid at 25 ° C. and has an HLB of 8 to 13.

The HLB here is a value calculated by Griffin's formula. Griffin's formula is as follows.

As the polyethylene glycol dimethicone of the component (D), PEG-12 dimethicone (SH3771M, kinematic viscosity 100 mm ² s ^{-1 to} 500 ^{mm 2} s ^-1 , HLB13) of Toray Dow Corning Co., Ltd., PEG-12 dimethicone (SH3773M, kinematic viscosity ^{350mm 2 s -1 ~1050mm 2 s -1} , HLB8), PEG-12 dimethicone (SS-2802, a kinematic viscosity ^{250mm 2 s -1 ~750mm 2 s -1} , HLB13), Shin-Etsu Chemical Co., Ltd. PEG -9 dimethicone (KF-6013, a kinematic viscosity ^{200mm 2 s -1 ~800mm 2 s -1} , HLB10), Momentive performance Materials Inc. PEG-12 dimethicone (Silsoft 875, kinematic viscosity 150mm ² s ^-1 ~550mm ² s ^-1 , HLB 13), PEG-17 dimethicone (Silsoft 895, kinematic viscosity 200 mm ² s ^{-1 to} 700 ^{mm 2} s ^-1 , HLB 13) and the like.
PEG is an abbreviation for polyethylene glycol.
Among these, PEG-12 dimethicone is preferable, and SH3771M and SH3773M are more preferable, from the viewpoint of the smoothness of the skin after towel drying and the smoothness of the skin after towel drying.

The content of the component (D) is 0.2 mass in terms of the amount of foam, the creaminess of the foam, the smoothness of the skin after towel drying, and the smoothness of the skin after towel drying. % To 1% by mass, preferably 0.5% by mass to 0.8% by mass. If the content is less than 0.2% by mass, the smoothness of the skin after towel drying and the smoothness of the skin after towel drying may be insufficient, and if it exceeds 1% by mass, the amount of foam may be insufficient. May reduce the amount of foam, the creaminess of the foam, and the smoothness of the skin after towel drying.

<(E) Polyhydric alcohol>
The polyhydric alcohol of the component (E) is contained in order to improve the solubility and the moist feeling of the skin after towel drying.
The polyhydric alcohol of the component (E) is at least one selected from propylene glycol, 1,3-butylene glycol, and dipropylene glycol. Among these, propylene glycol is preferable from the viewpoint of solubility.

The content of the polyhydric alcohol of the component (E) includes solubility, a large amount of foam, creaminess of foam, a moist feeling of the skin after towel drying, and a smooth feeling of the skin after towel drying. Therefore, it is 8% by mass to 20% by mass, preferably 8% by mass to 15% by mass, based on the total amount of the liquid skin cleansing composition. If the content is less than 8% by mass, the solubility, the moist feeling of the skin after towel drying, and the smooth feeling of the skin after towel drying may be insufficient, and if it exceeds 20% by mass, it may be insufficient. The amount of foam and the creaminess of the foam may be insufficient.

<(F) Polyoxyethylene alkyl ether>
The polyoxyethylene alkyl ether of the component (F) is contained to improve the solubility.
The polyoxyethylene alkyl ether of the component (F) is a polyoxyethylene alkyl ether having an alkyl group having 12 to 16 carbon atoms and an average addition molar number of ethylene oxide of 19 to 50.

The number of carbon atoms of the alkyl group of the polyoxyethylene alkyl ether of the component (F) is 12 to 16, preferably 16 from the viewpoint of solubility and smoothness of the skin after towel drying. If the alkyl group of the ethylene oxide has less than 12 carbon atoms, the solubility may be insufficient, and if it exceeds 16, the smoothness of the skin after towel drying may be insufficient.

The average number of moles of ethylene oxide added to the polyoxyethylene alkyl ether of the component (F) is 19 to 50, preferably 20 to 40, from the viewpoint of solubility and smoothness of the skin after towel drying. If the average number of moles of ethylene oxide added is less than 19, the solubility may be insufficient, and if it exceeds 50, the smoothness of the skin after towel drying may be insufficient.

As the polyoxyethylene alkyl ether of the component (F), those synthesized as appropriate may be used, or commercially available products may be used.
Examples of the commercially available products include Emarex 120 (POE (20) cetyl ether), Emarex 130 (POE (30) cetyl ether), Emarex 720 (POE (20) lauryl ether), and Emarex 750 (POE (POE). 50) Lauryl ether) (above, manufactured by Nippon Emulsion Co., Ltd.), NIKKOL BC-40 (POE (40) cetyl ether, manufactured by Nikko Chemicals Co., Ltd.), Blaunon EL-1519P (POE (19) lauryl ether), Blaunon EL- 1521 (POE (40) lauryl ether) (all manufactured by Aoki Oil & Fat Industry Co., Ltd.) and the like can be mentioned. These may be used alone or in combination of two or more. The value in parentheses after POE represents the average number of moles of ethylene oxide added.
Among these, Emarex 120 (POE (20) cetyl ether) is preferable from the viewpoint of solubility.

The content of the polyoxyethylene alkyl ether of the component (F) varies depending on the blending amount of the component (C).
When the component (C) is 0.05% by mass to 0.7% by mass, the content of the component (F) is determined from the viewpoint of solubility, large amount of foam, and creaminess of foam. , 0.1% by mass to 2% by mass, more preferably 0.2% by mass to 1% by mass, based on the total amount of the liquid skin cleansing composition. If the content is less than 0.1% by mass, the solubility may be insufficient, and if it exceeds 2% by mass, the amount of foam and the creaminess of the foam will be insufficient. Sometimes.
When the component (C) is more than 0.7% by mass and 1.5% by mass or less, the content of the component (F) includes solubility, a large amount of foam, and creaminess of foam. Therefore, the total amount of the liquid skin cleansing composition is 0.4% by mass to 2% by mass, preferably 0.4% by mass to 1% by mass. If the content is less than 0.4% by mass, the solubility may be insufficient, and if it exceeds 2% by mass, the amount of foam and the creaminess of the foam will be insufficient. Sometimes.

<(G) copolymer>
The copolymer of the component (G) is contained in order to improve the smoothness of the skin during rinsing.

ただし、前記一般式（１）中、ｎ、ｍ、及びｚは各構造単位のモル比（モル％）を示し、ｎ＋ｍ＋ｚ＝１００である。
前記ｎは０〜３４が好ましく、前記ｍは２６．５〜３１が好ましく、前記ｚは３５〜７０が好ましい。
これらの中でも、すすぎ時の肌のなめらかさの点から、前記一般式（１）におけるｎ：ｍ：ｚ＝（０：３０：７０）が好ましい。The copolymer of the component (G) is a copolymer represented by the following general formula (1).

However, in the general formula (1), n, m, and z indicate the molar ratio (mol%) of each structural unit, and n + m + z = 100.
The n is preferably 0 to 34, the m is preferably 26.5 to 31, and the z is preferably 35 to 70.
Among these, n: m: z = (0:30:70) in the general formula (1) is preferable from the viewpoint of smoothness of the skin during rinsing.

The molar ratio of each structural unit in the copolymer of the component (G) can be determined by measuring under the following measurement conditions by nuclear magnetic resonance (NMR).
[Measurement condition]
Solvent: heavy water (D ₂ O)
Measuring instrument: JNM-LA300 (300MHz, manufactured by JEOL Ltd.)

The weight average molecular weight of the copolymer of the component (G) is not particularly limited and may be appropriately selected depending on the intended purpose, but is preferably 100,000 to 3,000,000, preferably 150,000 to 1. , 600,000 is more preferable. The weight average molecular weight of the copolymer of the component (G) is, for example, the SEC-MALLS-RI system (measurement conditions: column: TSKgel α series α-M column 30 cm manufactured by Tosoh Corporation, solvent: sodium nitrate 0.3 M aqueous solution). Can be measured with.

The viscosity of the copolymer solution having a solid content of 8% by mass to 45% by mass in the copolymer of the component (G) at 25 ° C. is not particularly limited and may be appropriately selected depending on the intended purpose. , 1,500 mPa · s to 16,000 mPa · s, more preferably 7,500 mPa · s to 15,000 mPa · s.
Among these, the viscosity of the component (G) is preferably 7,500 mPa · s to 15,000 mPa · s.
The viscosity can be measured using, for example, a Brookfield viscometer LVF (manufactured by Brookfield).

As the copolymer of the component (G), an appropriately synthesized copolymer may be used, or a commercially available product may be used. Examples of the commercially available product include the following.
Marcourt 550PR (component name: dimethylallylammonium chloride-acrylamide copolymer, manufactured by Lubrizol, viscosity at 25 ° C. with solid content of 8.8% by mass to 9.8% by mass: 7,500 mPa · s to 15,000 mPa S, weight average molecular weight: 1,600,000, n: m: z = 0:30:70 in the general formula (1). The viscosity was determined by using a Brookfield viscometer LVF (manufactured by Brookfield) at 25 ° C. It can be measured under the condition of 10 rotations / minute using the rotor of 4.

Marcourt 3330PR (Component name: Acrylic acid-dimethyldiallylammonium chloride-acrylamide copolymer, manufactured by Lubrizol, viscosity at 25 ° C. with a solid content of 10.2% by mass to 11.5% by mass: 1,000 mPa · s ~ 6,000 mPa · s, weight average molecular weight: 1,500,000, n: m: z = 34: 31: 35 in the general formula (1). The viscosity was determined by using a Brookfield viscometer LVF (manufactured by Brookfield) at 25 ° C. It can be measured under the condition of 30 rotations / minute using the rotor of 4.

Marcourt 3331PR (Component name: Acrylic acid-dimethyldiallyl ammonium chloride-acrylamide copolymer, manufactured by Lubrizol, viscosity at 25 ° C. with solid content of 9.7% by mass to 10.7% by mass: 2,000 mPa · s ~ 12,000 mPa · s, weight average molecular weight: 1,600,000, n: m: z = 22.5: 26.5:51 in the general formula (1). The viscosity was determined by using a Brookfield viscometer LVF (manufactured by Brookfield) at 25 ° C. It can be measured under the condition of 30 rotations / minute using the rotor of 5.

Marcourt 3940 (Component name: Acrylic acid-Dimethyldialyl ammonium chloride-acrylamide copolymer, manufactured by Lubrizol, viscosity at 25 ° C. with a solid content of 41% by mass to 45% by mass: 1,500 mPa · s ~ 4,500 mPa ·. s, weight average molecular weight: 150,000, n: m: z = 31: 29: 40 in the general formula (1). The viscosity was determined by using a Brookfield viscometer LVF (manufactured by Brookfield) at 25 ° C. It can be measured under the condition of 10 rotations / minute using the rotor of 3.

Among these, as the copolymer of the component (G), Marcoat 550PR is preferable from the viewpoint of smoothness of the skin during rinsing.

The content of the copolymer of the component (G) is 0.2 with respect to the total amount of the liquid skin cleansing composition from the viewpoint of the large amount of foam and the smoothness of the skin during rinsing. It is preferably from% to 2% by mass, more preferably from 0.4% by mass to 1% by mass. If the content is less than 0.2% by mass, the smoothness of the skin at the time of rinsing may be insufficient, and if it exceeds 2% by mass, the amount of foam may be insufficient. There is.

<Other ingredients>
In addition to the above-mentioned components (A) to (G), the liquid skin cleansing composition of the present invention may contain other components as necessary without impairing the effects of the present invention. can.
Examples of the other components include purified water, a cationic polymer other than the component (B), and a water-soluble polymer other than the copolymer of the component (G), almond oil, rice bran oil, rice germ oil, and sesame oil. , Saflower oil, soybean oil, rapeseed oil, castor oil, palm oil and other oils other than the component (C), lower alcohols, alcohols such as higher alcohols other than the component (C), lanolin derivatives, protein derivatives, Acrylic resin dispersion, chemicals such as vitamins, bactericides, preservatives, pH adjusters, viscosity modifiers, antioxidants, metal sequestering agents, UV absorbers, animal and plant extracts or derivatives thereof, pigments, fragrances, pigments, inorganics Powders, clay minerals; water-insoluble polymer powders such as nylon and polyethylene can be mentioned. These may be used alone or in combination of two or more.

−pH−
The pH of the liquid skin cleansing composition at 25 ° C. is preferably 9.5 to 11.0, more preferably 9.8 to 10.6, from the viewpoint of the large amount of foam. When the pH value is in the numerical range, the amount of foam is good and there is no skin irritation.
The pH can be measured using, for example, a pH meter (HM-30R, manufactured by TOA DKK Corporation).

-Viscosity-
The viscosity of the liquid skin cleansing composition at 25 ° C. is not particularly limited and may be appropriately selected depending on the intended purpose, but is preferably 1 mPa · s to 6,000 mPa · s, and is preferably 50 mPa · s to 4, 000 mPa · s is more preferable.
The viscosity can be measured, for example, using a BM type viscometer (manufactured by Tokyo Keiki Co., Ltd.) at a sample temperature of 25 ° C. under the following conditions. If the viscosity is 1 mPa · s to 3,000 mPa · s, the BM adapter, the rotation speed of 30 rpm, No. The viscosity after 1 minute was measured using the rotor of No. 3, and if it exceeded 3,000 mPa · s, the BM adapter, the rotation speed of 30 rpm, No. It can be measured by measuring the viscosity after 1 minute with the rotor of 4.

-Container-
The liquid skin cleansing composition of the present invention is not particularly limited, and is used by filling it in a normal container.
The container is not particularly limited and may be appropriately selected depending on the intended purpose. Examples thereof include a pump dispenser container, a tube, a former container, and a bag-shaped container. Among these, a pump dispenser container is preferable. Examples of the pump dispenser container include a pump dispenser container manufactured by Yoshino Kogyosho Co., Ltd. with a nozzle diameter (inner diameter) of 3.5 mm and a discharge rate of 3 mL.

-Manufacturing method-
The method for producing the liquid skin cleansing composition of the present invention is not particularly limited and may be appropriately selected depending on the intended purpose. The components (A) to (E) and, if necessary, (F). It can be obtained by mixing the components (G), the other components, and the purified water (the remaining amount is blended so that the entire liquid skin cleansing composition is 100% by mass).
Specifically, it can be manufactured as follows. Purified water heated to 70 ° C. to 80 ° C., the polyhydric alcohol of the component (E), the higher fatty acid salt of the component (A), the oil content of the component (C), and if necessary, the (F). The component polyoxyethylene alkyl ether is dissolved and cooled to 40 ° C. or lower, and then the cationic polymer of the component (B), the polyethylene glycol dimethicone of the component (D), and, if necessary, the component (G). Can be produced by adding the copolymer of.
The liquid skin cleansing composition may be prepared using an apparatus. The device is not particularly limited and may be appropriately selected depending on the intended purpose. Examples thereof include a stirring device having a shearing force and having a stirring blade capable of mixing the whole.
The stirring blade is not particularly limited and may be appropriately selected depending on the intended purpose. Examples thereof include a propeller, a turbine and a dispenser.

-Use-
The liquid skin cleansing composition of the present invention has solubility, a large amount of foam, and creaminess of foam, a moist feeling of the skin after towel drying, a smooth feeling of the skin after towel drying, and a skin after towel drying. It is good for non-stickiness, smoothness of skin after towel drying, and smoothness of skin after towel drying. Therefore, it is used for, for example, washing pigment, hand soap, body soap, cleansing foam, makeup remover, etc. It is particularly preferably used for body soaps.

Hereinafter, the present invention will be described in more detail based on Examples and Comparative Examples, but the present invention is not limited to the following Examples. The contents of each component described in Examples and Comparative Examples are all values converted to pure content.

(Examples 1 to 40, Comparative Examples 1 to 28)
Liquid skin cleansing compositions having the compositions and contents shown in Tables 1 to 12 below were prepared by a conventional method. Specifically, it was prepared by the following method.
The amount of purified water to be 95% by mass of the total amount of the finally obtained liquid skin cleansing composition and the polyhydric alcohol of the component (E) are heated to 70 ° C. to 80 ° C. to obtain the component (A). The higher fatty acid salt, the oil component of the component (C), and the polyoxyethylene alkyl ether of the component (F), if necessary, are dissolved and cooled to 40 ° C. or lower, and then the cationic polymer of the component (B) and (D). ) Component polyethylene glycol dimethicone and, if necessary, the copolymer of the component (G) component were added to prepare a liquid skin cleansing composition. After that, if the pH is less than the predetermined pH, potassium hydroxide, which is a common component, is added, the pH is adjusted to the predetermined pH, and purified water is added so that the total amount becomes 100% by mass, and the target liquid skin is added. A detergent composition was obtained. A propeller was used as the stirring blade, and a three-one motor (HEIDON BL1200, manufactured by Shinto Kagaku Co., Ltd.) was used for stirring. The pH was measured at 25 ° C. using a pH meter (HM-30R, manufactured by TOA DKK Corporation).

The obtained liquid skin cleansing compositions of Examples 1 to 40 and Comparative Examples 1 to 28 were put into a container with a pump dispenser [discharge amount 3 mL, nozzle diameter (inner diameter) 3.5 mm, manufactured by Yoshino Kogyosho Co., Ltd.]. Filled with.

Next, for each of the obtained liquid skin cleaning agent compositions, "solubility", "large amount of foam", "creamy foam", and "moisturized skin after towel drying" were performed as follows. Evaluation of "feeling", "smoothness of skin after towel drying", "non-stickiness of skin after towel drying", "smoothness of skin after towel drying", and "smoothness of skin after towel drying" bottom. The results are also shown in Tables 1 to 12 below.

<Solubility>
The liquid skin cleansing compositions of Examples 1 to 40 and Comparative Examples 1 to 28 were prepared in a beaker, and after the preparation, the mixture was allowed to stand at room temperature for 1 day, and then the "solubility" was evaluated according to the following evaluation criteria. .. If the evaluation score is 3 or more, the "solubility" is good.
-Criteria for "solubility"-
6 points: Very good transparency and uniform dissolution 5 points: Good transparency and uniform dissolution 4 points: Slightly turbid but uniformly dissolved 3 points: Turbidity but uniformly dissolved 2: White turbidity Occurs but dissolves 1 point: Precipitation or separation occurs immediately after compounding

<Large amount of foam and creaminess of foam>
10 expert evaluators pushed 2 pushes (about 6 g) of the liquid skin cleansing composition of Examples 1 to 40 and Comparative Examples 1 to 28 on a nylon towel moistened with warm water at 40 ° C. and lightly moistened. When the nylon towel was rubbed 10 times and whipped, the amount of foam and the creaminess of the foam were observed and evaluated according to the following evaluation criteria. As a result, the average evaluation score of the 10 expert evaluators was obtained, and "a large amount of foam" and "creaminess of foam" were evaluated. If the average evaluation score is 3.0 points or more, the "large amount of foam" and the "creaminess of foam" are good.
-Evaluation criteria for "a large amount of bubbles"-
5 points: Foam overflows from nylon towel 4 points: 70% or more and 100% or less of nylon towel is covered with foam 3 points: 50% or more and less than 70% of nylon towel is covered with foam 2 points: 20% or more and less than 50% of nylon towels are covered with foam 1 point: Less than 20% of nylon towels are covered with foam or almost no foam-Evaluation criteria for "creaminess of foam"-
5 points: Most of the bubbles are fine bubbles and very creamy. 4 points: Large bubbles are mixed in some of the fine bubbles, but they are creamy. 3 points: Half of the large bubbles are in the fine bubbles. Mixed and slightly creamy 2 points: There were more large and coarse bubbles than fine bubbles and it was not creamy 1 point: Only large and coarse bubbles were formed and it was not creamy at all

<Moist feeling of skin after towel drying and smooth feeling of skin after towel drying>
10 expert evaluators put 2 pushes (about 6 g) of the liquid skin cleansing composition of Examples 1 to 40 and Comparative Examples 1 to 28 on a nylon towel moistened with warm water at 40 ° C. and lightly moistened. After rubbing the whole body with the nylon towel, the liquid skin cleansing composition was rinsed with warm water at 40 ° C., and the water droplets were wiped off with the towel. Immediately after wiping off the water droplets, "moist feeling of the skin after towel drying" and "smooth feeling of the skin after towel drying" were evaluated according to the following evaluation criteria.
As a result, the average evaluation score of the 10 expert evaluators was obtained, and "the moist feeling of the skin after towel drying" and "the smooth feeling of the skin after towel drying" were evaluated. If the average evaluation score is 3.0 points or more, the "moist feeling of the skin after towel drying" and the "smooth feeling of the skin after towel drying" are good.
-Evaluation criteria for "moisturized skin after towel drying"-
5 points: Feels a strong moist feeling 4 points: Feels a moist feeling 3 points: Feels a little moist feeling 2 points: Does not feel a lot of moist feeling 1 point: Feels a moist feeling at all-"Smooth skin after towel drying Evaluation criteria for "feeling"-
5 points: Feels a strong feeling of smoothness 4 points: Feels a feeling of smoothness 3 points: Feels a little smooth feeling 2 points: Feels a little smooth feeling 1 point: Feels a feeling of smoothness at all

<Evaluation of non-stickiness of skin after towel drying>
Ten expert evaluators whipped 2 pushes (about 6 g) of the liquid skin cleansing composition of Examples 1 to 40 and Comparative Examples 1 to 28 with a nylon towel 10 times to wash the whole body, and immediately after towel drying, dried. The stickiness strength of the neck muscle was evaluated based on the following evaluation criteria. As a result, the average score of 10 persons was calculated. If the average evaluation score is 3.0 points or more, the "non-stickiness of the skin after towel drying" is good.
-Evaluation criteria for non-greasy skin after towel drying-
5 points: No stickiness at all 4 points: Almost no stickiness 3 points: Slightly sticky but no problem level 2 points: Feels sticky 1 point: Feels sticky strongly

<Evaluation of the smoothness of the skin after towel drying>
After towel drying, 10 expert evaluators whipped 2 pushes (about 6 g) of the liquid skin cleansing composition of Examples 1 to 40 and Comparative Examples 1 to 28 with a nylon towel 10 times to wash the whole body. The smoothness of the skin after 5 minutes was judged based on the following evaluation criteria, and was evaluated based on the following judgment criteria. As a result, the average value (average evaluation score) of the scores of 10 persons was calculated. If the average evaluation score is 3.0 points or more, the "smoothness of the skin after towel drying" is good.
-Evaluation criteria for "smooth skin after towel drying"-
5 points: Feels a strong feeling of smoothness 4 points: Feels a feeling of smoothness 3 points: Feels a little smooth feeling 2 points: Feels a little smooth feeling 1 point: Feels a feeling of smoothness at all- "Skin smoothness after towel drying Criteria for "feeling"-
◎: Average evaluation point 4.5 points or more and 5.0 points ◎ ~ ○: Average evaluation point 4.0 points or more and less than 4.5 points ○: Average evaluation point 3.0 points or more and less than 4.0 points △: Average evaluation point Points 2.0 points or more and less than 3.0 points ×: Average evaluation points 1.0 points or more and less than 2.0 points

<Evaluation of skin smoothness after towel drying>
After towel drying, 10 expert evaluators whipped 2 pushes (about 6 g) of the liquid skin cleansing composition of Examples 1 to 91 and Comparative Examples 1 to 64 with a nylon towel 10 times to wash the whole body. The smoothness of the skin after 5 minutes was evaluated on a 5-point scale. As a result, the average value (average evaluation score) of the scores of 10 persons was judged based on the following evaluation criteria, and the evaluation was made based on the following judgment criteria. If the average evaluation score is 3.0 points or more, the "smoothness of the skin after towel drying" is good.
-Evaluation criteria for "smoothness of skin after towel drying"-
5 points: The skin surface is smooth and slippery 4 points: The skin surface is slightly smooth and slippery 3 points: The skin surface is slightly smooth 2 points: The skin surface is not slightly smooth and slippery 1 point: The skin Feels rough on the surface and is not slippery-Criteria for "smoothness of skin after towel drying"-
⊚: Average evaluation score 4.0 points or more and 5.0 points ○: Average evaluation point 3.0 points or more and less than 4.0 points Δ: Average evaluation point 2.0 points or more and less than 3.0 points ×: Average evaluation point 1 .0 points or more and less than 2.0 points

(Examples 41 to 78, Comparative Examples 29 to 64)
Liquid skin cleansing compositions having the compositions and contents shown in Tables 13 to 25 below were prepared by a conventional method. Specifically, it was prepared by the following method.
The amount of purified water to be 95% by mass of the total amount of the finally obtained liquid skin cleansing composition and the polyhydric alcohol of the component (E) are heated to 70 ° C. to 80 ° C. to obtain the component (A). The higher fatty acid salt, the oil component of the component (C), and the polyoxyethylene alkyl ether of the component (F) are dissolved and cooled to 40 ° C. or lower, and then the cationic polymer of the component (B) and the polyethylene of the component (D) are used. A liquid skin cleanser composition was prepared by adding glycol dimethicone. After that, if the pH is less than the predetermined pH, potassium hydroxide, which is a common component, is added, the pH is adjusted to the predetermined pH, and purified water is added so that the total amount becomes 100% by mass, and the target liquid skin is added. A detergent composition was obtained. A propeller was used as the stirring blade, and a three-one motor (HEIDON BL1200, manufactured by Shinto Kagaku Co., Ltd.) was used for stirring. The pH was measured at 25 ° C. using a pH meter (HM-30R, manufactured by TOA DKK Corporation).

The obtained liquid skin cleansing compositions of Examples 41 to 78 and Comparative Examples 29 to 64 were placed in a container with a pump dispenser [discharge amount 3 mL, nozzle diameter (inner diameter) 3.5 mm, manufactured by Yoshino Kogyosho Co., Ltd.]. Filled with.

Next, for each of the obtained liquid skin cleaning agent compositions, "solubility", "a large amount of foam", "creamy foam", and "skin after towel drying" were obtained in the same manner as in Example 1. "Moist feeling", "Smoothness of skin after towel drying", "No stickiness of skin after towel drying", "Smoothness of skin after towel drying", and "Smoothness of skin after towel drying" Was evaluated. The results are also shown in Tables 13 to 25 below.

(Examples 79 to 91)
Liquid skin cleansing compositions having the compositions and contents shown in Tables 26 to 28 below were prepared by a conventional method. Specifically, it was prepared by the following method.
The amount of purified water to be 95% by mass of the total amount of the finally obtained liquid skin cleansing composition and the polyhydric alcohol of the component (E) are heated to 70 ° C. to 80 ° C. to obtain the component (A). The higher fatty acid salt, the oil component of the component (C), and the polyoxyethylene alkyl ether of the component (F), if necessary, are dissolved and cooled to 40 ° C. or lower, and then the cationic polymer of the component (B) and (D). ) Component polyethylene glycol dimethicone and the copolymer of the component (G) component were added to prepare a liquid skin cleansing composition. After that, if the pH is less than the predetermined pH, potassium hydroxide, which is a common component, is added, the pH is adjusted to the predetermined pH, and purified water is added so that the total amount becomes 100% by mass, and the target liquid skin is added. A detergent composition was obtained. A propeller was used as the stirring blade, and a three-one motor (HEIDON BL1200, manufactured by Shinto Kagaku Co., Ltd.) was used for stirring. The pH was measured at 25 ° C. using a pH meter (HM-30R, manufactured by TOA DKK Corporation).

The obtained liquid skin cleansing compositions of Examples 79 to 91 were filled in a container with a pump dispenser [discharge amount 3 mL, nozzle diameter (inner diameter) 3.5 mm, manufactured by Yoshino Kogyosho Co., Ltd.].

Next, for each of the obtained liquid skin cleaning agent compositions, "solubility", "a large amount of foam", "creamy foam", and "skin after towel drying" were obtained in the same manner as in Example 1. "Moist feeling", "Smoothness of skin after towel drying", "No stickiness of skin after towel drying", "Smoothness of skin after towel drying", and "Smoothness of skin after towel drying" Was evaluated. In addition to the above evaluation, "smoothness of the skin during rinsing" was evaluated as follows. The results are also shown in Tables 26 to 28 below.

<Skin smoothness when rinsing>
Ten expert evaluators took 2 pushes (about 6 g) of the liquid skin cleansing composition of Examples 79 to 91 on a nylon towel that was lightly moistened with warm water at 40 ° C, and took the nylon towel 10 times. The whole body was washed by rubbing and whipping. The smoothness of the skin when rinsed was evaluated according to the following evaluation criteria. As a result, the average value (average evaluation score) of the scores of the 10 expert evaluators was obtained, and "smoothness of the skin at the time of rinsing" was evaluated. If the average evaluation score is 3.0 points or more, the "smoothness of the skin during rinsing" is good.
-Evaluation criteria for "skin smoothness during rinsing"-
5 points: Feel the smoothness during rinsing 4 points: Feel the smoothness during rinsing 3 points: Feel the smoothness during rinsing 2 points: Do not feel the smoothness during rinsing 1 point: Feel the smoothness during rinsing I don't feel smoothness at all

(Example 92)
The liquid skin cleansing composition having the composition and content shown in Table 29 below was prepared by a conventional method. Specifically, it was prepared by the following method.
The amount of purified water to be 95% by mass of the total amount of the finally obtained liquid skin cleansing composition and the polyhydric alcohol of the component (E) are heated to 70 ° C. to 80 ° C. to obtain the component (A). The higher fatty acid salt, the oil component (C), the polyoxyethylene alkyl ether component (F), polyoxyethylene isostearate (3) glyceryl, and ethylenediaminetetraacetic acid were dissolved. Then, monoethanolamine and ethyl methacrylate-ethyl acrylate-butyl acrylate copolymer were added, and after confirming that they were completely dissolved, cooling was started and a styrene copolymer emulsion was added. After cooling to 40 ° C or lower, betaine lauryldimethylaminoacetate, cationic polymer of component (B), polyethylene glycol dimethicone of component (D), copolymer of component (G), phenoxyethanol, yellow No. 4, and fragrance. Was added to prepare a liquid skin cleansing composition. After that, if the pH is less than the predetermined pH, potassium hydroxide, which is a common component, is added, the pH is adjusted to 10.2, and purified water is added so that the total amount becomes 100% by mass, and the target liquid skin is added. A detergent composition was obtained. A propeller was used as the stirring blade, and a three-one motor (HEIDON BL1200, manufactured by Shinto Kagaku Co., Ltd.) was used for stirring. The pH was measured at 25 ° C. using a pH meter (HM-30R, manufactured by TOA DKK Corporation).

Details of the various components used in the examples and the comparative examples are shown in Tables 30 to 33 below.

※１：ラウリン酸カリウムとして、ラウリン酸（ＮＡＡ−１２２、日油株式会社製）を、水酸化カリウム（液体苛性カリ、旭硝子株式会社製）を用いて１００％中和したものを使用した。
※２：ミリスチン酸カリウムとして、ミリスチン酸（ＮＡＡ−１４２、日油株式会社製）を、水酸化カリウム（液体苛性カリ、旭硝子株式会社製）を用いて１００％中和したものを使用した。
※３：パルミチン酸カリウムとして、パルミチン酸（ＮＡＡ−１６０、日油株式会社製）を、水酸化カリウム（液体苛性カリ、旭硝子株式会社製）を用いて１００％中和したものを使用した。
※４：ステアリン酸カリウムとして、ステアリン酸（ＮＡＡ−１８０、日油株式会社製）を、水酸化カリウム（液体苛性カリ、旭硝子株式会社製）を用いて１００％中和したものを使用した。
なお、カチオン化セルロースは、グルコースに由来する構造単位を有するポリマーである。

* 1: As potassium laurate, lauric acid (NAA-122, manufactured by Nichiyu Co., Ltd.) was 100% neutralized with potassium hydroxide (liquid caustic potash, manufactured by Asahi Glass Co., Ltd.).
* 2: As potassium myristic acid, myristic acid (NAA-142, manufactured by Nichiyu Co., Ltd.) was 100% neutralized with potassium hydroxide (liquid caustic potash, manufactured by Asahi Glass Co., Ltd.).
* 3: As potassium palmitate, palmitic acid (NAA-160, manufactured by Nichiyu Co., Ltd.) was 100% neutralized with potassium hydroxide (liquid caustic potash, manufactured by Asahi Glass Co., Ltd.).
* 4: As potassium stearate, stearic acid (NAA-180, manufactured by Nichiyu Co., Ltd.) was 100% neutralized with potassium hydroxide (liquid caustic potash, manufactured by Asahi Glass Co., Ltd.).
The cationized cellulose is a polymer having a structural unit derived from glucose.

＊１：ブルックフィールド粘度計ＬＶＦ（ブルックフィールド社製）、スピンドルＮｏ．３、６回転／分間、２５℃
＊２：ブルックフィールド粘度計ＬＶＦ（ブルックフィールド社製）、スピンドルＮｏ．４、３０回転／分間、２５℃
＊３：ブルックフィールド粘度計ＬＶＦ（ブルックフィールド社製）、スピンドルＮｏ．４、６０回転／分間、２５℃-(B) component-

* 1: Brookfield Viscometer LVF (manufactured by Brookfield), Spindle No. 3, 6 rotations / minute, 25 ° C
* 2: Brookfield Viscometer LVF (manufactured by Brookfield), Spindle No. 4, 30 rotations / minute, 25 ° C
* 3: Brookfield Viscometer LVF (manufactured by Brookfield), Spindle No. 4, 60 rpm, 25 ° C

＊１：ブルックフィールド粘度計ＬＶＦ（ブルックフィールド社製）、スピンドルＮｏ．４、１０回転／分間、２５℃
＊２：ブルックフィールド粘度計ＬＶＦ（ブルックフィールド社製）、スピンドルＮｏ．４、３０回転／分間、２５℃-(G) component-

* 1: Brookfield Viscometer LVF (manufactured by Brookfield), Spindle No. 4, 10 rotations / minute, 25 ° C
* 2: Brookfield Viscometer LVF (manufactured by Brookfield), Spindle No. 4, 30 rotations / minute, 25 ° C

The liquid skin cleansing composition of the present invention has solubility, a large amount of foam, and creaminess of foam, a moist feeling of the skin after towel drying, a smooth feeling of the skin after towel drying, and a skin after towel drying. Suitable for washing pigments, hand soaps, body soaps, cleansing foams, makeup removers, etc., in order to satisfy all of the non-stickiness, smoothness of the skin after towel drying, and the smoothness of the skin after towel drying. It is particularly preferably used for body soaps.

Claims (5)

(A) Higher fatty acid salt containing all of laurate, myristate, and palmitate from 10% by mass to 32% by mass,
(B) At least one cationic polymer selected from the dimethyldiallylammonium chloride polymer and the copolymer of dimethyldiallylammonium chloride and acrylic acid having a molar ratio of dimethyldiallylammonium chloride of 65% or more. 2% by mass to 0.4% by mass,
(C) At least one selected from higher alcohols having 12 to 22 carbon atoms, jojoba oil, olive oil, monohydric alcohol fatty acid esters, and hydrocarbons, 0.05% by mass to 0.7% by mass,
(D) Polyethylene glycol dimethicone 0.2% by mass to 1% by mass, which has HLB 8 to 13 and an average addition molar number of polyethylene glycol of 9 to 17, and (E) propylene glycol, 1,3-butylene glycol, and A liquid skin cleaning composition comprising at least 8% to 20% by mass of a polyhydric alcohol selected from dipropylene glycol. Further, claim that the (F) alkyl group contains 0.1% by mass to 2% by mass of a polyoxyethylene alkyl ether having 12 to 16 carbon atoms and an average addition molar number of ethylene oxide of 19 to 50. The liquid skin cleansing composition according to 1. (A) Higher fatty acid salt containing all of laurate, myristate, and palmitate from 10% by mass to 32% by mass,
(B) At least one cationic polymer selected from the dimethyldiallylammonium chloride polymer and the copolymer of dimethyldiallylammonium chloride and acrylic acid having a molar ratio of dimethyldiallylammonium chloride of 65% or more. 2% by mass to 0.4% by mass,
(C) At least one selected from higher alcohols having 12 to 22 carbon atoms, jojoba oil, olive oil, monohydric alcohol fatty acid esters, and hydrocarbons, more than 0.7% by mass and not more than 1.5% by mass.
(D) Polyethylene glycol dimethicone 0.2% by mass to 1% by mass, which is HLB 8 to 13 and has an average addition molar number of polyethylene glycol of 9 to 17.
(E) At least one polyhydric alcohol selected from propylene glycol, 1,3-butylene glycol, and dipropylene glycol is 8% by mass to 20% by mass, and (F) the alkyl group has 12 to 16 carbon atoms. A liquid skin cleaning agent composition comprising 0.4% by mass to 2% by mass of polyoxyethylene alkyl ether having an average addition molar number of ethylene oxide of 19 to 50. The component (C) is cetyl alcohol, behenyl alcohol, isostearyl alcohol, hexyldecanol, stearyl alcohol, jojoba oil, isostearyl isostearate, octyldodecyl myristate, hexyldecyl isostearate, isodesyl neopentate, isostearyl neopentate, and fluid. The liquid skin cleaning composition according to any one of claims 1 to 3, which is at least one selected from paraffin. The liquid skin cleansing composition according to any one of claims 1 to 4, further comprising (G) a copolymer represented by the following general formula (1).

However, in the general formula (1), n, m, and z indicate the molar ratio (mol%) of each structural unit, n + m + z = 100, the n is 0 to 34, and the m is 26.5 to 5 31, the z is 35 to 70.