JP2003081780A - Hair cosmetic material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hair cosmetic material capable of imparting a good touch to the hair and excellent in hair repairing effect for the damaged hair. SOLUTION: This hair cosmetic material contains (A) an amideamine compound expressed by formula: R<1> CONH(CH2 )n N(R<2> )2 [wherein, R<1> is a 11-23C aliphatic hydrocarbon group; R<2> is H or a 1-4C alkyl group; and (n) is 2-4 integer] or its salts, (B) a higher alcohol and (C) an organic solvent selected from an aromatic alcohol, a polyol and an alkyl carbonate.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention provides a smooth coat feeling, a good feeling such as flexibility and the like to the hair from the time of application to the time of rinsing, and further imparts elasticity to the finish of damaged hair, thereby providing a healthy hair. The present invention relates to a hair cosmetic composition that gives a finish feeling similar to that of hair.

[0002]

2. Description of the Related Art Hair cosmetics contain a quaternary ammonium salt as a main component in order to improve the feel of the hair. Further, JP-A-9-71516 discloses a hair cosmetic composition comprising an amidoamine compound / higher fatty acid / organic acid / high molecular weight dimethylpolysiloxane.
No. 71517 discloses a hair cosmetic composition comprising amidoamine compound / higher fatty acid or higher alcohol / organic acid / amino-modified or ammonium-modified silicone.
It is described that it is possible to impart sufficient smoothness, moisturizing feel and luster, which cannot be obtained only by using a primary ammonium salt.

However, it cannot be said that the hair cosmetic composition having the above-mentioned structure gives a sufficient moisturizing feeling, and the hair repair effect for damaged hair is not sufficient.

[0004]

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a hair cosmetic composition capable of imparting a good feeling such as moisturizing feeling to the hair and having an excellent hair repair effect for damaged hair.

[0005]

Means for Solving the Problems The present inventors have found that by using a specific amidoamine compound, a higher alcohol and a specific organic solvent in combination, the hair is smooth and moisturized.
It can give a good feeling such as dryness and softness, and is particularly excellent in smooth coat feeling and flexibility from application to rinsing. Furthermore, it gives elasticity to the finish of damaged hair and makes it a healthy hair. It has been found that a hair cosmetic having a similar feeling of finish can be obtained.

That is, the present invention provides the following components (A), (B) and
(C) (A) Amidoamine compound represented by the general formula (1) or a salt thereof R ¹ CONH (CH ₂ ) _n N (R ² ) ₂ (1) [In the formula, R ¹ has 11 to 23 carbon atoms. It represents an aliphatic hydrocarbon group, R ² represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, and n represents an integer of 2 to 4. (B) Higher alcohol (C) A hair cosmetic containing an organic solvent selected from aromatic alcohols, polyols and alkyl carbonates.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION In the amidoamine compound which is the component (A), examples of R ¹ CO in the general formula (1) include lauroyl group, myristoyl group, palmitoyl group, stearoyl group, oleoyl group and behenoyl group. Is mentioned. R ² is a methyl group, an ethyl group, a propyl group,
Particularly, a methyl group and an ethyl group are preferable, and n is preferably 2 or 3. Specific examples of the amidoamine compound (1) include stearic acid dimethylaminoethylamide, stearic acid dimethylaminopropylamide, stearic acid diethylaminoethylamide, stearic acid diethylaminopropylamide, stearic acid dipropylaminoethylamide, stearic acid dipropylamino. Propylamide, palmitic acid dimethylaminoethylamide, palmitic acid dimethylaminopropylamide, myristic acid dimethylaminoethylamide, myristic acid dimethylaminopropylamide, behenic acid dimethylaminoethylamide, behenic acid dimethylaminopropylamide, etc. However, in terms of performance, stability, availability, etc., stearic acid diethylaminoethylamide, stearic acid dimethylaminopropylamide Preferred. These amidoamine compounds (1) are preferably neutralized by the addition of an acid described below to form a salt.

Two or more kinds of the amidoamine compound (1) or the salt thereof as the component (A) may be used in combination, and the content thereof is
From the viewpoint of imparting smoothness and softness, 0.01 to 20.0% by weight, particularly 0.1 to 10.0% by weight of the hair cosmetic composition of the present invention is preferable.

As the higher alcohol which is the component (B),
Those having an alkyl group having 12 to 28 carbon atoms are preferable, those having an alkyl group having 16 to 24 carbon atoms, and particularly 22 are preferable, and the alkyl group is preferably a linear alkyl group. Specific examples of preferred higher alcohols include cetyl alcohol, stearyl alcohol, aralkyl alcohol, and behenyl alcohol, with behenyl alcohol being particularly preferred.

The higher alcohol as the component (B) may be used in combination of two or more kinds, and the content thereof is from the viewpoint of improving smoothness, ease of use, stability and the like, and the hair cosmetic composition of the present invention. of
0.1 to 20.0% by weight, particularly 0.5 to 10.0% by weight is preferable.

As the organic solvent which is the component (C), benzyl alcohol, phenethyl alcohol, phenoxyethanol, benzyloxyethanol and the like are used as the aromatic alcohol, and polypropylene glycol is used as the polyol (in particular, the average molecular weight by GPC is 200 to 700, particularly 300). ~ 50
Examples of the alkyl carbonate include ethylene carbonate and propylene carbonate.

The organic solvent of the component (C) may be used in combination of two or more kinds, and the content thereof is from the viewpoint of improving the adsorptivity of the agent and the effect of imparting elasticity to hair. Hair cosmetics
0.1 to 20.0% by weight, particularly 0.5 to 10.0% by weight is preferable.

In the hair cosmetic composition of the present invention, the components (A) to
In addition to (C), it is preferable to contain a cationic surfactant in order to further improve the feel to the hair. The cationic surfactant has the following general formula

[0014]

[Chemical 1]

[In the formula, R ³ and R ⁴ each independently represent a hydrogen atom, an alkyl group having 1 to 28 carbon atoms, or a benzyl group, except when they simultaneously become a hydrogen atom or a benzyl group.
X ⁻ represents an anion. ] What is represented by these is preferable.
Here, one of R ³ and R ⁴ has 16 to 24 carbon atoms, especially 22 carbon atoms.
Is preferably a linear alkyl group, and the other is preferably a lower alkyl group having 1 to 3 carbon atoms, particularly a methyl group. As the anion X ⁻ ,
Halide ions such as chloride ions and bromide ions;
Examples thereof include organic anions such as ethylsulfate ion and methyl carbonate ion, and halide ion, particularly chloride ion is preferable.

The cationic surfactant is preferably a mono long-chain alkyl quaternary ammonium salt, and specific examples thereof include cetyl trimethyl ammonium chloride, stearyl trimethyl ammonium chloride, aralkyl trimethyl ammonium chloride and behenyl trimethyl ammonium chloride. Especially preferred is behenyltrimethylammonium chloride.

Two or more cationic surfactants may be used in combination, and the content of the cationic surfactant in the hair cosmetic composition of the present invention is 0 from the viewpoints of further improvement in flexibility, smoothness, stability and the like. .
01 to 20.0% by weight, particularly 0.1 to 10.0% by weight is preferable.

A silicone compound may be further added to the hair cosmetic composition of the present invention in order to further improve the feel to the hair and the hair repair effect. Examples of the silicone compound include highly polymerized dimethylpolysiloxane, dimethylpolysiloxane, amino-modified silicone, cyclic silicone and the like. When the silicone compound is compounded, the compounding amount thereof is preferably 0.1 to 15% by weight, and particularly preferably 0.5 to 10% by weight in the hair cosmetic composition of the present invention.

The hair cosmetic composition of the present invention may further contain other components generally used in hair cosmetic compositions depending on the purpose. For example, cationized cellulose,
Polymeric compounds such as hydroxylated cellulose and highly polymerized polyethylene oxide; humectants such as glycerin, propylene glycol, dipropylene glycol; polyoxyethylene alkyl ether, polyoxyethylene sorbitan fatty acid ester, glycerin fatty acid ester, polyoxyethylene hydrogenated castor oil Nonionic surfactants such as;
Higher fatty acids such as stearic acid, behenic acid and oleic acid; inorganic acids such as phosphoric acid; ester oils such as isopropyl myristate; hydrocarbons such as liquid isoparaffin, petrolatum and squalane; antidandruff agents such as zinc pyrithione and benzalkonium chloride ; Other chelating agents, ultraviolet absorbers,
Antioxidants, colorants, fragrances and the like can be mentioned.

The hair cosmetic composition of the present invention contains an acid as a component.
It is preferable to neutralize the amidoamine compound (1) (A) and adjust the pH. It is preferable to use at least one water-soluble organic acid as the acid, and as the water-soluble organic acid,
Examples thereof include alkyl sulfuric acid, alkyl phosphoric acid, monocarboxylic acid, dicarboxylic acid, hydroxycarboxylic acid, polycarboxylic acid and acidic amino acid. Of these, carboxylic acids are preferable, and dicarboxylic acids and hydroxycarboxylic acids are particularly preferable. As dicarboxylic acid, malonic acid, succinic acid,
Examples thereof include glutaric acid, adipic acid, maleic acid, fumaric acid, phthalic acid, L-glutamic acid and L-aspartic acid, and L-glutamic acid is particularly preferable. Examples of the hydroxycarboxylic acid include glycolic acid, lactic acid, hydroxyacrylic acid, oxybutyric acid (particularly α-oxybutyric acid), glyceric acid, malic acid, tartaric acid, and citric acid. Among them, α-hydroxycarboxylic acid, particularly lactic acid And malic acid are preferred. Water-soluble organic acids do not adversely affect the composition even if used in excess, so add a sufficient amount of acid to the composition,
The solid amine particles are essentially absent in the composition, and the pH when the hair cosmetic is diluted 10 times by weight with water.
It is preferable to adjust the (25 ° C) to be 2.0 to 7.0, particularly 2.5 to 5.5, from the viewpoint of good feel, imparting elasticity, improving adsorptivity, and physical safety. The blending amount of the water-soluble organic acid is
0.01-7.0% by weight in the hair cosmetic composition of the present invention, particularly 0.05-
5.0% by weight is preferred. In addition to the above-mentioned organic acids as an acidic substance, an inorganic acid and a basic substance such as sodium hydroxide can be used together to adjust the pH.

In the hair cosmetic composition of the present invention, the components (A) to (C) and other optional components are added to water or a solvent obtained by adding ethanol, 2-propanol, glycerin, propylene glycol or the like to water as necessary. It is produced by dissolving, and its product form includes hair rinse, hair conditioner, hair treatment and the like.

[0022]

EXAMPLES Example 1 Hair Treatment The hair cosmetics shown in Table 1 were prepared, and the smoothness at the time of application and rinsing, and the suppleness and elasticity at the time of finishing were sensory evaluated.

(Manufacturing Method) The remaining components separately mixed and dissolved are added to a water tank in which hydroxyethyl cellulose is dissolved while stirring. The products 5 and 6 of the present invention are 65 ° C.
Otherwise, emulsification was performed at 80 ° C.

(Evaluation method) Ten panelists conducted sensory evaluation while treating a hair bundle (20 g, 30 cm of female hair that had been subjected to the permanent wave treatment once) by the following method. After washing the hair bundle with a commercial cleansing type shampoo,
Applying 2g of hair treatment, "evaluation at the time of application"
I went. "Evaluation at the time of rinsing" was performed at 40 ° C under running water of 4 L / min, then towel drying was performed, and after drying with a dryer, "evaluation of finish" was performed.

(Evaluation Criteria) Good for each evaluation item:
2 points, good: 1 point, normal: 0 point, bad: -1
Poor, bad: A score of -2 was given. Regarding elasticity, elasticity: 2 points, elasticity is slightly: 1
Point, no change: 0 point, elasticity is lost: -1 point is given, and regarding water retention feeling, there is a water retention feeling: 2 points,
There is a slight water retention feeling: 1 point, normal: 0 point, slightly dull feeling: -1 point, dull feeling: -2 points.
The following criteria were used for evaluation based on the average score of 10 panelists.

[0026] ◎: Average score of 1.5 or more ○: Average score 1.0 or more and less than 1.5 △: Average score 0.0 or more and less than 1.0 ×: Average point less than 0.0

[0027]

[Table 1]

[0028] Example 2 Hair treatment (pH 5.0)                                                     (weight%)   Stearic acid dimethylaminopropylamide 1   Behenyl alcohol 4   Stearyl alcohol 3   Benzyl alcohol 1   Polypropylene glycol (molecular weight 300) 1   Behenyltrimethylammonium chloride 1.5   Highly polymerized methyl polysiloxane     (Toray Dow Corning Silicone, BY11-003) 2   Squalene 1   Hydroxyethyl cellulose (Mw = 500,000) 0.3   Isononyl isononanoate 1   Dipentaerythritol fatty acid ester     (Nisshin Oil Co., Cosmol 168M) 0.3   Hydrolyzed casein 0.1   Aloe extract 0.1   Methylparaben 0.1   Rice germ oil 0.6   L-glutamic acid 0.5   Fragrance 0.4   Purified water balance

Example 3 Hair rinse (pH 4.0) (% by weight) Stearic acid Dimethylaminopropylamide 0.5 Stearyl alcohol 3 Benzyloxyethanol 0.5 Stearyltrimethylammonium chloride 1 Myristic acid 0.2 Isotridecyl myristate 0.5 Amodimethicone emulsion (Toray Dow Corning Silicone, SM8702C) 1 Dimethylpolysiloxane (50000mm ² / s, 25 ℃) 1 Tea tree oil 0.1 Rosemary extract 0.1 Propylene glycol 1 Lanolin 0.5 Methylparaben 0.3 Malic acid (50% by weight aqueous solution) 0.4 Perfume 0.4 Purified water balance

Both the hair treatment of Example 2 and the hair rinse of Example 3 gave a good feel to the hair and were excellent in repairing damaged hair.

[0031]

EFFECTS OF THE INVENTION The hair cosmetic composition of the present invention imparts a good feel to the hair, especially a smooth coat feeling from application to rinsing, excellent flexibility, and further imparts elasticity to the finish of damaged hair. However, it is possible to obtain the same finished feeling as that of healthy hair.

   ─────────────────────────────────────────────────── ─── Continued front page    F-term (reference) 4C083 AA122 AC012 AC061 AC072                       AC111 AC122 AC151 AC152                       AC172 AC242 AC302 AC331                       AC352 AC392 AC482 AC582                       AC641 AC642 AC692 AC792                       AD112 AD152 AD162 AD282                       AD422 AD512 BB06 BB14                       CC33 CC39 EE06 EE28

Claims (2)

[Claims] 1. The following components (A), (B) and (C) (A) Amidoamine compounds represented by the general formula (1) or salts thereof R ¹ CONH (CH ₂ ) _n N (R ² ) ₂ (1) [In the formula, R ¹ represents an aliphatic hydrocarbon group having 11 to 23 carbon atoms, R ² represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, and n represents an integer of 2 to 4] . ] (B) Higher alcohol (C) Hair cosmetic containing an organic solvent selected from aromatic alcohols, polyols and alkyl carbonates. 2. The hair cosmetic composition according to claim 1, further comprising a cationic surfactant.