JP5748264B2 - Hair cosmetics - Google Patents

Description

  The present invention relates to a hair cosmetic that can make hair have a good balance between smoothness and moist feeling.

  In hair cosmetics such as treatments applied to hair after washing with shampoo, for example, hair cosmetics containing silicone are known as those capable of improving the smoothness of hair. There is also an indication of the effects of long-term use (Patent Document 1).

  In addition to such hair cosmetics, for example, hair cosmetics containing hydrocarbons are also known (for example, Patent Document 2).

JP 2010-24169 A JP 2008-525333 A

  By the way, although there are fats and oils as a component for smoothing hair, a hair cosmetic containing a large amount thereof tends to make the hair heavy and sticky. For these reasons, there is a demand for the development of a hair cosmetic that can give a good moist feeling to the hair as well as smoothness.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a hair cosmetic that can make hair have a good balance between smoothness and moist feeling.

  The hair cosmetic composition of the present invention that can achieve the above-mentioned object is (A) petrolatum [hereinafter sometimes simply referred to as “component (A)”), (B) aliphatic carboxylic acid and monovalent liquid at room temperature. Ester with alcohol [hereinafter sometimes simply referred to as “component (B)”], (C) cationic surfactant [hereinafter sometimes simply referred to as “component (C)”], and (D) higher Alcohol [hereinafter may be simply referred to as “component (D)”] is blended, the blending amount of the component (A) is 0.5% by mass or less, and has the form of an oil-in-water emulsion. It is characterized by.

  ADVANTAGE OF THE INVENTION According to this invention, the hair cosmetics which can make hair the state with smooth and the balance of a moist feeling can be provided.

  The hair cosmetic composition of the present invention comprises (A) petrolatum, (B) an ester of an aliphatic carboxylic acid and a monohydric alcohol that is liquid at room temperature (25 ° C. The same applies to “room temperature” in the present specification). , (C) a cationic surfactant, and (D) a higher alcohol, and in particular, while ensuring the action of smoothing the hair by the component (B), the stickiness of the hair that can be generated by the component (B) Is suppressed by an appropriate amount of the component (A), and the effect of imparting a good moist feeling to the hair is also ensured. Therefore, the hair cosmetic composition of the present invention can impart smoothness and moist feeling to hair in a balanced manner without blending silicone.

  The blending amount of the component (A) in the hair cosmetic (amount in the total amount of 100% by mass of the hair cosmetic. The same applies hereinafter for the blending amount of each component in the hair cosmetic) has the effect of improving the moist feeling of the hair. From the viewpoint of increasing the content, it is preferably 0.01% by mass or more, and more preferably 0.03% by mass or more. However, when there is too much quantity of (A) component in hair cosmetics, the effect | action which makes the smoothness of hair favorable will be impaired. Therefore, the compounding quantity of (A) component in hair cosmetics is 0.5 mass% or less, and it is preferable that it is 0.3 mass% or less.

  Examples of the aliphatic carboxylic acid constituting the ester of an aliphatic carboxylic acid and a monohydric alcohol that are liquid at room temperature according to the hair cosmetic composition of the present invention include fatty acids (aliphatic monocarboxylic acids) and aliphatic dicarboxylic acids. An acid etc. are mentioned.

  The monovalent alcohol constituting the component (B) may be, for example, an alcohol having 1 to 24 carbon atoms, but may be an alcohol having 1 to 6 carbon atoms (lower alcohol). More preferred is an alcohol having 1 to 3 carbon atoms.

  Among the components (B), examples of esters of fatty acids and monovalent lower alcohols include linear saturated fatty acids such as isopropyl myristate, butyl myristate, isopropyl palmitate, and ethyl stearate and monovalent lower alcohols. Esters of branched saturated fatty acids such as ethyl isostearate and isopropyl isostearate with monovalent lower alcohols; unsaturated fatty acids such as ethyl oleate, ethyl linoleate and isopropyl linoleate and monovalent lower alcohols And the like.

  Among the components (B), examples of esters of fatty acids and monohydric alcohols other than lower alcohols include, for example, cetyl caprylate, hexyl laurate, isostearyl laurate, decyl myristate, isotridecyl myristate, myristine 2-hexyldecyl acid, isostearyl myristate, 2-octyldodecyl myristate, 2-ethylhexyl palmitate, 2-hexyldecyl palmitate, isostearyl palmitate, 2-ethylhexyl stearate, 2-hexyldecyl stearate, etc. Esters of linear saturated fatty acids and monohydric alcohols; cetyl 2-ethylhexanoate, cetostearyl 2-ethylhexanoate, stearyl 2-ethylhexanoate, hexyl isostearate, 2-octyldede neopentanoate 2-hexyldecyl 2-ethylhexanoate, isostearyl 2-ethylhexanoate, 2-ethylhexyl isononanoate, isononyl isononanoate, 2-hexyldecyl dimethyloctanoate, 2-octyldodecyl dimethyloctanoate, isopalmitate 2 -Esters of branched saturated fatty acids such as ethylhexyl, 2-hexyldecyl isostearate, isostearyl isostearate, 2-octyldodecyl isostearate and monohydric alcohols; decyl oleate, isodecyl oleate, 2-octyldodecyl oleate And esters of unsaturated fatty acids such as oleyl oleate, cetyl ricinoleate, 2-octyldodecyl ricinoleate, and oleyl erucate, and monohydric alcohols.

  Further, among the components (B), examples of the ester of an aliphatic dicarboxylic acid and a monovalent lower alcohol include diisopropyl adipate, diisobutyl adipate, diethyl sebacate, diisopropyl sebacate and the like. Examples of the ester of an aliphatic dicarboxylic acid and a monohydric alcohol other than a lower alcohol include di-2-ethylhexyl succinate and di-2-ethylhexyl adipate.

  As the component (B), only one type of the above exemplified esters may be used, or two or more types may be used in combination, but the balance between the smoothness of the hair after treatment and the moist feeling is better. Therefore, it is more preferable to use an ester of a fatty acid and a monovalent alcohol and an ester of an aliphatic dicarboxylic acid and a monovalent alcohol in combination.

  As described above, the component (B) is more preferably an ester of a fatty acid and a monovalent lower alcohol or an ester of an aliphatic dicarboxylic acid and a monovalent lower alcohol among the above exemplified esters. Since the balance between the smoothness of the hair after treatment and the moist feeling becomes very good, an ester of a fatty acid and a monovalent lower alcohol, an ester of an aliphatic dicarboxylic acid and a monovalent lower alcohol, It is particularly preferable to use in combination.

  The blending amount of the component (B) in the hair cosmetic is preferably 0.1% by mass or more and more preferably 0.5% by mass or more from the viewpoint of enhancing the effect of improving the smoothness of the hair. preferable. However, when there is too much quantity of (B) component in hair cosmetics, there exists a possibility that the effect | action which makes the moist feeling of hair favorable may become weak. Therefore, the blending amount of the component (B) in the hair cosmetic is preferably 8% by mass or less, and more preferably 5% by mass or less.

  Although the hair cosmetic composition of the present invention takes the form of an oil-in-water emulsion, the cationic surfactant as component (C) mainly plays a role of maintaining the state of the emulsion of the hair cosmetic composition. The cationic surfactant also has an action of adsorbing to the hair and softening the hair.

  Specific examples of the cationic surfactant which is component (C) include, for example, fatty acid amidoamine salts, monoalkyl quaternary ammonium salts, dialkyl quaternary ammonium salts, benzalkonium quaternary ammonium, ethyl lanolin sulfate fatty acid Examples include aminopropylethyldimethylammonium. Examples of fatty acid amide amine salts include stearic acid diethylaminoethylamide and stearic acid dimethylaminopropylamide. Examples of the monoalkyl type quaternary ammonium salt include lauryl trimethyl ammonium chloride, cetyl trimethyl ammonium chloride, stearyl trimethyl ammonium chloride, behenyl trimethyl ammonium chloride, lauryl trimethyl ammonium bromide, cetyl trimethyl ammonium bromide, stearyl trimethyl ammonium bromide and the like. Is mentioned. Examples of the dialkyl type quaternary ammonium salt include distearyl dimethyl ammonium chloride, dicocoyl dimethyl ammonium chloride, dicetyl dimethyl ammonium chloride, and the like. Examples of the benzalkonium-type quaternary ammonium include benzalkonium chloride and stearyldimethylbenzylammonium chloride. Only 1 type in these cationic surfactants may be used for the hair cosmetics of this invention, and 2 or more types may be used together.

  The blending amount of the component (C) in the hair cosmetic is 0.1% from the viewpoint of maintaining a stable state of the emulsion of the hair cosmetic and allowing the hair to be favorably enhanced by adsorbing to the hair. The content is preferably at least mass%, more preferably at least 1 mass%. It should be noted that even if the amount of the component (C) in the hair cosmetic is too large, an effect commensurate with it cannot be secured, so the amount of the component (C) in the hair cosmetic is 10% by mass or less. It is preferable that it is 5 mass% or less.

  Moreover, (D) higher alcohol is mix | blended with the hair cosmetics of this invention. The higher alcohol is used as a kind of oily component in the hair cosmetic composition of the present invention in the form of an oil-in-water emulsion, and the viscosity of the hair cosmetic composition is increased or the hair cosmetic composition is applied to the hair. It also has the effect of enhancing the feel of the hair after application.

  Specific examples of the higher alcohol as component (D) include linear saturated alcohols such as lauryl alcohol, myristyl alcohol, cetyl alcohol, stearyl alcohol, and behenyl alcohol; branched forms such as isostearyl alcohol and octyldodecanol. Examples thereof include alcohols having 12 to 22 carbon atoms such as saturated alcohols; unsaturated alcohols such as oleyl alcohol; In the hair cosmetic composition of the present invention, only one of these higher alcohols may be used, or two or more kinds may be used in combination.

  The blending amount of the component (D) in the hair cosmetic is preferably 1% by mass or more, and more preferably 4% by mass or more, from the viewpoint of satisfactorily exerting the above action. However, if the amount of the component (D) in the hair cosmetic is too large, it becomes difficult to adjust to the hair or the hair tends to feel hardness when finished, so the component (D) in the hair cosmetic Is preferably 15% by mass or less, and more preferably 10% by mass or less.

  The hair cosmetic composition of the present invention has the form of an oil-in-water (O / W) emulsion, and water is the main medium. Note that only water may be used as the medium. If necessary, an organic solvent such as a lower alcohol (alcohol having 6 or less carbon atoms) such as ethanol and isopropanol may be used in an amount of about 20% by mass or less in the total amount of the medium. May be used in combination with water. Moreover, it is preferable that the compounding quantity of the medium in hair cosmetics is 40-90 mass%, for example.

  The hair cosmetic composition of the present invention can be blended with various components blended in a normal hair cosmetic composition as long as the effects of the present invention are not impaired. Examples of such components include animal and vegetable oils and fats, waxes, hydrocarbons [other than the component (A)], fatty acids, ethers, nonionic surfactants, water-soluble polymers, humectants, ultraviolet absorbers, preservatives. , Antioxidants, chelating agents, fragrances, and the like. Among these components, preferable ones can be appropriately selected and blended.

  Animal and vegetable oils and fats include, for example, animal fats such as Emu oil, horse oil, mink oil; avocado oil, almond oil, olive oil, sesame oil, rice bran oil, safflower oil, soybean oil, corn oil, rapeseed oil, rosehip oil, And vegetable oils such as macadamia nut oil, persic oil, cottonseed oil, evening primrose oil, meadowweed oil, sunflower oil, grape seed oil, palm oil, castor oil, grape seed oil, coconut oil, hardened oil, and shea fat. Examples of the wax include jojoba oil, carnauba wax, candelilla wax, rice bran wax, lanolin, beeswax, orange luffy oil, and the like.

  Examples of hydrocarbons other than the component (A) include α-olefin oligomers, ceresin, light isoparaffin, light liquid isoparaffin, squalane, paraffin, liquid paraffin, liquid isoparaffin, and microcrystalline wax. Examples of the fatty acid include lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, oleic acid, isostearic acid, 12-hydroxystearic acid, undecylenic acid, and the like. Examples of the ether include isostearyl glyceryl ether, ethylene glycol monoethyl ether, glycerin monocetyl ether, monooleyl glyceryl ether and the like.

  Examples of the nonionic surfactant include polyoxyethylene alkyl ether, sucrose fatty acid ester, glycerin fatty acid ester, polyglycerin fatty acid ester, polyoxyethylene glycerin fatty acid ester, sorbitan fatty acid ester, polyoxyethylene sorbitan fatty acid ester, polyoxy Ethylene sorbit fatty acid ester, polyoxyethylene lanolin, polyoxyethylene lanolin alcohol, polyoxyethylene sorbit beeswax, polyoxyethylene castor oil, polyoxyethylene hydrogenated castor oil, polyoxyethylene sterol, polyethylene glycol fatty acid ester, propylene glycol fatty acid ester, Examples include lecithin. In addition, it is preferable that the average addition mole number of ethylene oxide in each said nonionic surfactant is 2-50 mol. Examples of the polyoxyethylene alkyl ether include polyoxyethylene lauryl ether, polyoxyethylene cetyl ether, polyoxyethylene stearyl ether, polyoxyethylene oleyl ether, polyoxyethylene behenyl ether and the like. Furthermore, sucrose fatty acid ester, glycerin fatty acid ester, polyglycerin fatty acid ester, polyoxyethylene glycerin fatty acid ester, sorbitan fatty acid ester, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene sorbit fatty acid ester, polyethylene glycol fatty acid ester, and propylene glycol fatty acid Examples of the fatty acid in the ester include undecylenic acid, lauric acid, palmitic acid, myristic acid, stearic acid, isostearic acid, oleic acid, behenic acid, linoleic acid, and the like.

  Examples of the water-soluble polymer include natural polymers, natural polymer derivatives, and synthetic polymers. Natural polymers such as carrageenan, agar, xanthan gum, gelatin, pectin, tamarind seed polysaccharide, locust bean gum, guar gum, gum arabic, tragacanth gum, hyaluronic acid or its salt, chitosan; methylcellulose, ethylcellulose, hydroxyethylcellulose, hydroxypropylcellulose, Natural polymer derivatives such as hydroxypropyl methylcellulose, carboxymethylcellulose, cationized cellulose, starch phosphate ester, sodium starch glycolate, amphoteric starch, cationized guar gum, carboxymethyl hydroxypropylated guar gum, hydroxypropylated guar gum; carboxyvinyl Synthetic polymers such as polymers and acrylic acid / alkyl methacrylate copolymers; .

  Examples of the humectant include glycerin, diglycerin, propylene glycol, 1,3-butylene glycol, dipropylene glycol, sodium pyrrolidonecarboxylate, sorbitol, trehalose, and highly polymerized polyethylene glycol. Examples of the ultraviolet absorber include hydroxymethoxybenzophenone sulfonic acid. Examples of the preservative include sodium benzoate, methyl paraoxybenzoate, propyl paraoxybenzoate, butyl paraoxybenzoate, phenoxyethanol, methylchloroisothiazolinone / methylisothiazolinone solution, 2-methyl-4-isothiazoline-3- ON etc. are mentioned. Examples of the antioxidant include dl-α-tocopherol, dibutylhydroxytoluene, erythorbic acid, anhydrous sodium sulfite and the like. Examples of the chelating agent include ethylenediaminetetraacetic acid or its salt, diethylenetriaminepentaacetic acid or its salt, hydroxyethylethylenediaminetriacetic acid or its salt, hydroxyethanediphosphonic acid or its salt, and the like.

  The hair cosmetic composition of the present invention is not particularly limited with respect to its dosage form, and can take various dosage forms such as cream, emulsion, lotion, foam (foam).

  The hair cosmetic composition of the present invention includes, for example, a hair treatment (including a hair conditioner and hair rinse), a styling agent, a hair deforming agent (including a permanent wave agent and a hair straightener), a pretreatment agent for hair deformation treatment, hair It can be in the form of an intermediate treatment agent for deformation treatment, a post-treatment agent for hair deformation treatment, a hair dye, a pre-treatment agent for hair dyeing treatment, an intermediate treatment agent for hair dyeing treatment, a post-treatment agent for hair dyeing treatment, etc. . In addition, although the hair cosmetics of this invention can be applied to both the use which wash | cleans and uses after application | coating to hair, and the use which does not wash away, it is more preferable to apply to the use which wash | cleans and uses.

  The hair cosmetic composition of the present invention can be used by, for example, a method of taking an appropriate amount and applying it to wet hair or dry hair.

  Hereinafter, the present invention will be described in detail based on examples. However, the following examples do not limit the present invention. In addition, in the following Tables 1 to 3, the amount of each component is shown in% so that the entire hair treatment is 100%, all of which are mass%, and in Tables 1 to 3 The percentage display is omitted, and only the numerical value indicating the blending amount is displayed.

Examples 1-9 and Comparative Examples 1-4
The hair treatments of Examples 1 to 9 and Comparative Examples 1 to 4 were prepared with the compositions shown in Tables 1 to 3. In addition, all of the hair treatments of Examples 1 to 9 and Comparative Examples 1 to 4 after preparation had the form of an oil-in-water droplet emulsion.

  In Tables 1 to 3, “with a total of 100” in the column of water means that the total amount of each component other than water constituting the hair treatment is 100% by adding the amount of water. It means that.

  A hair bundle was processed using the hair treatments of Examples 1 to 9 and Comparative Examples 1 to 4, and the moist feeling and smoothness of the hair related to the subsequent hair bundle were evaluated.

  10 g of hair collected from the same person was collected into a plurality of hair bundles, and each of these hair bundles was washed using a commercially available shampoo. Any 1 g of the hair treatments of Examples 1 to 9 or Comparative Examples 1 to 4 was applied to each of the hair bundles after washing, and after being well conditioned, washed with water and air dried.

Each of the five professional evaluators evaluated the moist feeling and smoothness of the hair according to each hair bundle after air drying, and scored according to the following criteria in comparison with the hair according to each hair bundle before treatment. .
Good ... 2 points.
Normal (equivalent to before treatment) ... 1 point.
Bad ... 0 points.

  Then, the score of all evaluators was summed for each hair bundle to evaluate the effect of improving the moist feeling of the hair by the hair treatment of each Example and Comparative Example and the effect of improving the smoothness of the hair. . These results are shown in Table 4.

  As shown in Table 4, (A) component, (B) component, (C) component, and (D) component were blended, and the treatment with the hair treatments of Examples 1 to 9 in which the blending amount of (A) component was made appropriate The finished hair is both moist and smooth and has an excellent balance. In particular, the hair treated with the hair treatment of Example 9 in which the component (B) is an ester of a fatty acid and a monovalent lower alcohol and an ester of an aliphatic dicarboxylic acid and a monovalent lower alcohol is moist. The balance between feeling and smoothness is very good.

  On the other hand, the hair treated with the hair treatment of Comparative Example 1 in which the amount of the component (A) is too large, and the hair treated with the hair treatment of Comparative Example 3 not containing the component (B) are smooth. Inferior. The hair treated with the hair treatment of Comparative Example 2 using liquid paraffin instead of the component (A) and the hair treated with the hair treatment of Comparative Example 4 not containing the component (A) have a moist feeling. Inferior.

Claims (4)

(A) Vaseline,
(B) an ester of an aliphatic carboxylic acid and a monohydric alcohol that is liquid at room temperature,
(C) a cationic surfactant, and (D) a higher alcohol,
As the component (B), an ester of a fatty acid and a monovalent alcohol having 1 to 6 carbon atoms, an ester of an unsaturated fatty acid and a monovalent alcohol, and an ester of an aliphatic dicarboxylic acid and a monovalent alcohol At least one selected from the group consisting of:
The blending amount of the component (A) is 0.03% by mass or more and 0.0. 3 % by mass or less,
A hair cosmetic characterized by having a form of an oil-in-water emulsion. (B) is liquid at normal temperature, the amount of esters of aliphatic carboxylic acids with monovalent alcohols, hair cosmetic of claim 1 which is 0.1 to 8 wt%. (C) The amount of cationic surfactant is 0.1-10 mass%, Hair cosmetics of Claim 1 or 2 . (D) The amount of higher alcohol is 1 to 15% by mass, Hair cosmetic according to any one of claims 1 to 3 .