JP3207030B2 - Cosmetics - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a cosmetic methyl <br/> phenyl polysiloxane essential components of a specific chemical structure. More specifically, the present invention provides cleansing cream, cold cream, hand cream, powder, lotion,
Foundations, mascaras, eye shadows, lotions, lipsticks, nail varnishes, sunscreen creams, skin care products such as shampoos for hair growth and dandruff for pharmaceuticals or quasi-drugs, shampoos, rinses, set lotions, hair sprays, Used in hair cosmetics such as permanent waving agent, mousse agent, hair dye, etc., durability, water resistance, affinity with skin, gloss imparting property, water repellency, flexibility, water vapor permeability, gas permeability, Excellent in film properties, filler retention, lubricity, non-stickiness, suppresses whitening of inorganic filler when combined with inorganic filler, improves transparency, natural without glare on skin or hair a cosmetic that methyl phenyl polysiloxane as an essential component of a specific chemical structure to impart shiny is.

[0002]

2. Description of the Related Art Skin cosmetics include cleansing cream, cold cream, hand cream, powder, lotion, foundation, mascara,
There are various types such as eye shadow, lotion, lipstick, nail polish, sunscreen cream, pharmaceuticals or quasi-drugs hair restoration and dandruff shampoo, and hair cosmetics include shampoos, rinses, There are various types such as set lotions, hair sprays, permanent wavings, mousses, hair dyes and the like.

[0003] The main components of these cosmetics are liquid paraffin, paraffin wax, fatty acids, higher alcohols,
Animal and vegetable fats and oils, synthetic esters, polyalkylene glycol derivatives, silicone compounds and the like are employed. In particular, silicone compounds have unique properties (eg, durability, water resistance, affinity with skin, gloss imparting property, Water-repellency, flexibility, water vapor permeability, gas permeability, film-forming properties, filler retention, lubricity, etc.) have been highlighted as components of these cosmetics. Alternatively, application to hair cosmetics has been proposed. Examples of skin cosmetics include dialkyl polysiloxane (JP-A-54-119036), amino group-containing polysiloxane (JP-A-57-58605), and pendant polysiloxane-polyoxyalkylene copolymer (JP-A-58158). -131910, JP-A-59-19743
2), silicone resin (JP-A-62-29851)
8), esterified polysiloxane (JP-A-63-159)
489) has been proposed. As a hair cosmetic, for example, dimethyl polysiloxane, diethyl polysiloxane, methyl phenyl polysiloxane is blended with a shampoo to give a rinsing effect (US Pat. No. 2,826,5).
51), a hair cosmetic comprising a diol derivative or a branched aliphatic alcohol and methylpolysiloxane (JP-A-52
-47923), conditioning lotion containing vinylpyrrolidone-polysiloxane copolymer
2-57337), cosmetics containing a quaternary nitrogen-containing cationic polysiloxane (JP-A-55-66506),
A hair treatment composition comprising an anionic polymer compound, a cationic surfactant and an oxyalkylene-modified polysiloxane (JP-A-55-108811), a hair conditioner comprising a polyoxyalkylene-modified organopolysiloxane and hydrous ethanol or anhydrous ethanol Composition (JP-A-55-136214), hair cosmetic comprising water, ethanol, phosphate salt of polyoxypropylene (polyvalent) -alcohol ether and polyoxyalkylenemethylpolysiloxane (JP-A-56-16405) ,
Cosmetics for hair containing organopolysiloxane-polyoxyalkylene copolymer (JP-A-56-2271)
2), a hair conditioning composition comprising an aminoalkyl group, a hydroxy group-containing polysiloxane, a cationic polymer and an aqueous carrier (JP-A-56-45406), an anionic surfactant, a cationic polymer, a silicone derivative (dimethyl Shampoo composition comprising polysiloxane, methylphenyl polysiloxane, polyoxyalkylene-modified organopolysiloxane, epoxy-modified polysiloxane, fluorine-modified polysiloxane, alcohol-modified polysiloxane, and alkyl-modified polysiloxane
6-72095), a hair cosmetic comprising an α-olefin liquid polymer, dimethylpolysiloxane, a polymolecular emulsifier and water (JP-A-56-92808), a quaternary ammonium salt, a higher alcohol and a hydrophobic polymer. Hair cosmetics containing siloxane (JP-A-56-92808), amphoteric acrylic resin, polyoxyalkylene-modified organopolysiloxane, polyethylene glycol (JP-A-56-92808)
92811) A hair conditioner containing, as a main component, an organopolysiloxane having at least one aminoalkyl group and at least one oxyalkylene group, polyoxyalkylene group or hydroxyalkyl group per molecule (Japanese Patent Application Laid-Open No. 58-74602), a cosmetic containing a hydrophobic polysiloxane and a polyoxyalkylene-modified organopolysiloxane (JP-A-60-126209), a silicone conditioning agent, a polyoxyalkylene-modified dimethylpolysiloxane, a lipid vehicle substance, a cationic interface A hair conditioning composition comprising an activator vehicle substance and water (JP-A-61-6), a colorant component, a hair coloring composition comprising an organopolysiloxane and water (JP-A-61-83111), an organic silicone resin and Consists of volatile hydrocarbon oils Hair cosmetic (JP-A-61-1589
14).

However, in the above-described conventional techniques, durability, water resistance, affinity with skin, gloss imparting property, water repellency, flexibility, water vapor permeability, gas permeability, film forming property, and filler Retainability and lubricity are obtained, but it is less sticky and excellent in usability, suppresses whitening of inorganic filler when combined with inorganic filler, improves transparency, natural luster without glare on skin or hair Effects such as imparting hardness have been demanded.

[0005]

DISCLOSURE OF THE INVENTION The present invention is a cosmetic composition comprising a conventional silicone compound as one component, and has further improved durability, water resistance, affinity with skin, gloss imparting property, water repellency, and flexibility. Excellent in water permeability, water vapor permeability, gas permeability, film forming property, filler retention property, lubricity, non-stickiness, suppress whitening of inorganic filler when combined with inorganic filler, and improve transparency It is an object of the present invention to provide a cosmetic that improves and gives natural luster without glare to skin or hair.

[0006]

Means for Solving the Problems and Their Actions The present inventors have found that silicone compounds having various chemical structures and other components, and combinations thereof, in order to find effective silicone compounds and other components as components of cosmetics. conducted experiments ever found that methyl phenyl polysiloxane of specified chemical structure has never been proposed to be effective as cosmetics, and completed the present invention.

That is, the present invention provides a compound represented by the general formula

Embedded image (Wherein, R is any group independently selected from a methyl group or a phenyl group , at least 50% of which is a phenyl group in a molar ratio, and n represents 0 to 1) .) is a cosmetic which is characterized in that a methyl phenyl polysiloxane essential component represented by.

In the above formula, R other than the phenyl group is methyl.
Group.

[0009] Main specified chemical structure used in the present invention
The physical properties of tylphenylpolysiloxane are 25
The viscosity at 250 ° C. is 250 centipoise or less, and the refractive index is 1.55 or more. By utilizing these characteristics, there is no stickiness, and when the inorganic filler is combined with the inorganic filler, whitening occurs. And a cosmetic that imparts a natural luster without glare to the skin or hair.

[0010] Main specified chemical structure used in the present invention
Examples of tylphenyl polysiloxanes include, but are not limited to, the following:

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[0011] Main specified chemical structure used in the present invention
Tylphenylpolysiloxane can be produced by a conventional synthesis method known per se. For example, in the case of the compound represented by the formula (2), the compound is obtained by subjecting methyldiphenylsilanol and dimethyldichlorosilane to a dehydrocondensation condensation reaction, followed by purification by distillation. Further, as another production method, 1,3-dimethyl-1,1,3,3
-Tetraphenyldisiloxane and 1,1,3,3,5
It is obtained by subjecting 5,7,7-octamethylcyclotetrasiloxane to an equilibrium reaction in the presence of an acid or alkali catalyst, followed by purification by distillation.

However, as described above, methylphenylpolysiloxane having a specific chemical structure used in the present invention is:
For example, a compound having a value of n in the above formula of 2 or more may be mixed, but it is preferable to purify the whole as far as the above physical properties are satisfied. For this reason, when a production method having a wide molecular weight distribution is selected, purification by distillation or the like is preferable, but when a production method having a narrow molecular weight distribution is selected, purification may not be performed. .

[0013] In addition, the cosmetic composition of the present invention the eyes of a particular chemical structure
In addition to tylphenylpolysiloxane, inorganic fillers (sericite, silica, silica alumina, silica gel, quartz, kaolin, talc,
Bengara, Gunjo, clay, zinc monoxide, zinc dioxide, iron oxide, titanium oxide, magnesium oxide, chromium oxide, antimony oxide, aluminum oxide, magnesium carbonate, calcium carbonate, calcium phosphate, barium sulfate, aluminum hydroxide, chromium hydroxide , Mica, titanium mica, magnesium aluminate metasilicate, magnesium aluminate silicate, carbon black, etc., oils (camellia oil, rapeseed oil, sesame oil, safflower oil, cottonseed oil, castor oil, soybean oil, coconut oil, palm oil) , Beeswax, montan wax, lanolin, squalane, silicone oil, etc.), surfactants (alkylbenzene sulfonates, polyoxyalkylene alkyl sulfates, alkyl sulfates, alkane sulfonates, alkyl ethoxycarboxylates, succinic acid derivatives) , Alkylamine oxides, imidazoline type compounds, polyoxyethylene alkyl or alkenyl ether, polyoxyethylene alkyl phenyl ether, higher fatty acid alkanolamides or alkylene oxide adducts thereof, etc., polymer compounds (hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropyl) Methylcellulose, methylcellulose, cationized cellulose, cationized polymer, polyvinylpyrrolidone, copolymer of vinylpyrrolidone and vinylacetate, vinylpyrrolidone-vinylacetate-alkylaminoacrylate copolymer, methylvinylether-maleic anhydride copolymer lower grade Alkyl half ester,
Vinyl acetate-crotonic acid copolymer, acrylic acid-acrylic acid ester-N-alkylacrylamide copolymer, etc.), humectant (glycerin, ethylene glycols, propylene glycols, sorbitol, maltitol,
Sodium pyrrolidone carboxylate, polyoxyethylene methyl glucoside, polyoxypropylene methyl glucoside, glycol, hyaluronic acid, etc., amino acids (glycine, serine, proline, etc.), lower alcohol, water, antioxidant, ultraviolet absorber, fragrance, dye , Pigments, pigments, preservatives, vitamins, hormonal agents, deodorants, fixing agents, anti-inflammatory agents, etc., are blended with ingredients usually blended in cosmetics, and become cosmetics, but are particularly limited to these Not something.

When used for an aerosol type spray, a propellant such as propane, butane, trichloromonofluoromethane, dichlorodifluoromethane, dichlorotetrafluoroethane, carbon dioxide, nitrogen gas, LPG, or dimethyl ether is used in combination.

The cosmetics of the present invention include cleansing cream, cold cream, hand cream, powder, lotion, foundation, mascara, eye shadow, lotion, lipstick, nail polish, sunscreen cream,
Various skin cosmetics, such as hair restorer and dandruff shampoo for pharmaceuticals or quasi-drugs, and various uses such as shampoos, rinses, set lotions, hair sprays, permanent waving agents, mousses, hair dyes Can be used for

[0016]

Next, the present invention will be described based on examples, but the present invention is not limited to these examples. The compounding amount is% by weight. The evaluation method is described below prior to the examples. A gloss test, a lubricity test, and a stickiness tester actually applied the sample to the back of the hand, and the sensory evaluation of each item was made according to the following criteria. (Gloss imparting property) ○: Excellent △: Slightly excellent ×: Inferior (lubricity) ○: Excellent △: Slightly excellent ×: Poor (sticky) ○: Almost none △: Slight ×: Sticky skin cosmetic finish tester Actually applied the sample to the back of the hand, took a photograph, and evaluated it comparatively with the one before application according to the following criteria. ：: Fine wrinkles are not noticeable △: Fine wrinkles are slightly noticeable ×: Finish test of hair makeup that hardly changes from before application The tester actually applied the sample to the hair, photographed it, and applied it according to the following criteria. Was evaluated comparatively. ：: Significant increase in glossiness △: Increased glossiness ×: Little change from before application

Examples 1 to 4, Comparative Examples 1 to 4 and Examples 5 to 8 and Comparative Examples 5 to 8 As methyl phenylpolysiloxanes having a specific chemical structure for Examples, the viscosity at 25 ° C. is 13 The following equation (1) having characteristic values of centipoise and a refractive index of 1.555:

Embedded image A compound represented by the following formula (2) having a characteristic value of a viscosity of 37 centipoise at 25 ° C. and a refractive index of 1.556:

Embedded image A compound represented by the following formula (3) having a characteristic value of a viscosity at 25 ° C. of 165 centipoise and a refractive index of 1.578:

Embedded image A compound represented by the following formula (4) having a characteristic value of a viscosity of 32 centipoise at 25 ° C. and a refractive index of 1.554:

Embedded image The following formula (5) having a characteristic value of 100 centipoise at 25 ° C. and a refractive index of 1.403 as a compound represented by the formula:

Embedded image Compound represented by, and viscosity of 15 centipoise at 25 ° C. as methylphenyl polysiloxane for comparative examples, the following equation having the property value of the refractive index 1.500 (6):

Embedded image A compound represented by the following formula (7) having a characteristic value of a viscosity of 500 centipoise at 25 ° C. and a refractive index of 1.533:

Embedded image A compound represented by the following formula (8) having a characteristic value of a viscosity of 125 centipoise at 25 ° C. and a refractive index of 1.496:

Embedded image The skin cosmetics shown in Table 1 below and the hair cosmetics shown in Table 2 were prepared and evaluated using the compound represented by the following formula.

[Table 1]

[Table 2] The evaluation results are shown in Tables 3 and 4 below.

[Table 3]

[Table 4] As is clear from Tables 3 and 4, the cosmetic of the present invention has durability, water resistance, affinity with skin, gloss imparting property,
Water repellency, flexibility, water vapor permeability, gas permeability, film forming properties,
In addition to the retention and lubricating properties of the filler, there is no stickiness.When combined with an inorganic filler, it suppresses whitening of the inorganic filler, improves transparency, and provides a natural luster without glare on the skin or hair. It turns out that it is superior to the conventional product.

[0018]

Cosmetic and methylphenyl polysiloxane essential components of a particular chemical structure of the present invention exhibits, a conventional silicone-based compounds were further improved cosmetic as one component, durability, water resistance, and skin Excellent in affinity, gloss imparting property, water repellency, flexibility, water vapor permeability, gas permeability, film forming property, filler holding property, lubricity, non-stickiness, when combined with inorganic filler It is superior to conventional products because it suppresses whitening of the inorganic filler, improves transparency, and imparts a natural shine without glare to the skin or hair.

────────────────────────────────────────────────── ─── Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) A61K ^7/ 00-7/50 CA (STN) REGISTRY (STN) WPI (DIALOG)

Claims (1)

(57) [Claims] 1. A compound of the general formula (Wherein, R is any group independently selected from a methyl group or a phenyl group , at least 50% of which is a phenyl group in a molar ratio, and n represents 0 to 1) cosmetics, characterized in that the methylphenyl polysiloxane essential component represented by.).