JP2003081781A - 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, quickly drying after application and excellent in effect for preventing the hair from tangling. 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) 2-naphthalene sulfonic acid, oxybenzone sulfonic acid or their salt.

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 has an excellent effect of preventing curling of finished hair, and after use. The present invention relates to a hair cosmetic having a fast drying rate.

[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 is difficult to say that the hair cosmetic composition having the above-mentioned structure gives a sufficient moisturizing feeling, and the effect of preventing the curl of the finished hair cannot be obtained.

[0004]

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a hair cosmetic composition which can impart a good feeling such as moisturizing feeling to the hair and is excellent in the effect of preventing the curl of the finished 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 sulfonic acid in combination, good smoothness, moisturizing feeling, dry feeling, flexibility and the like can be obtained on hair. It is possible to provide a hair cosmetic which can give a touch, has an excellent smooth coat feeling and flexibility particularly from application to rinsing, and also has an excellent effect of preventing entanglement of finished hair, and has a fast drying speed after use. I found that.

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) A higher alcohol (C) 2-naphthalenesulfonic acid, oxybenzonesulfonic acid, or a hair cosmetic containing the salt thereof is provided.

[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.

The sulfonic acids as the component (C) include 2-
In addition to naphthalene sulfonic acid and oxybenzone sulfonic acid, alkali metal salts such as sodium salt and potassium salt thereof, alkaline earth metal salts such as calcium salt and magnesium salt, and the like can be mentioned. As the component (C), 2-naphthalenesulfonic acid and sodium 2-naphthalenesulfonate are preferable.

Two or more kinds of the sulfonic acids as the component (C) may be used in combination, and the content thereof in the hair cosmetic composition of the present invention is from the viewpoint of preventing entanglement / tangling of hair and drying speed. 0.1
-10.0% by weight, particularly 0.1-5.0% by weight is preferred.

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 effect of preventing the hair from curling. 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 (25 ° C.) to 2.0 to 7.0, particularly 2.5 to 5.5, from the viewpoint of preventing tangling of hair and drying speed. The amount of the water-soluble organic acid blended in the hair cosmetic composition of the present invention is
0.01 to 7.0% by weight, particularly 0.05 to 5.0% by weight is preferable. pH
In addition to the above organic acids as the acidic substance, inorganic acids, and as the basic substance, sodium hydroxide and the like can be used in combination.

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]

Example 1 Hair Treatment The hair cosmetics shown in Table 1 were prepared, and the smoothness at the time of application and rinsing, the speed of drying at the time of drying with a dryer, and the dryness and entanglement 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. Inventive product 5 and comparative product 1
The emulsification was carried out at 80 ° C. for Nos. 2 and 65, and at 65 ° C. for the other cases.

(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 4 L / min of running water, followed by towel drying, "evaluation of drying speed" at the time of dryer drying, and "evaluation of finish" after drying.

(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 the drying speed, fast: 2 points, slightly fast: 1 point, normal: 0 points,
Slightly slow: A score of -1 was given, and as for the difficulty of entanglement, it is difficult to get entangled: 2 points, slightly difficult to get entangled: 1 point,
Normal: 0 point, easy to get entangled: -1 point was assigned.
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 4.5)                                                     (weight%)   Stearic acid dimethylaminopropylamide 1.5   Behenyl alcohol 6   Stearyl alcohol 2   2-naphthalenesulfonic acid 1   Behenyltrimethylammonium chloride 2   Highly polymerized methyl polysiloxane     (Toray Dow Corning Silicone, BY11-003) 2   Squalane 1   Hydroxyethyl cellulose (Mw = 1 million) 0.3   Isostearyl myristate 1   Dipentaerythritol fatty acid ester     (Nisshin Refinery, Cosmall 168AR) 0.3   Hydrolyzed silk liquid 0.2   Hamamelis extract 0.1   Methylparaben 0.1   Grape seed oil 0.5   L-glutamic acid 0.8   Fragrance 0.4   Purified water balance

Example 3 Hair rinse (pH 5.2) (% by weight) Stearic acid Dimethylaminopropylamide 0.5 Stearyl alcohol 3 Sodium oxybenzone sulfonate 1 Stearyl trimethyl ammonium chloride 1 Isostearate 0.1 Tri (caprylic acid / capric acid) glyceryl 0.5 Ammo Dimethicone emulsion (Toray Dow Corning Silicone, SM8702C) 1 Dimethylpolysiloxane (200mm ² / s, 25 ° C) 1 Vaseline 1 Birch extract 0.1 Propylene glycol 1 Liquid lanolin 0.5 Methylparaben 0.3 Malic acid (50% by weight aqueous solution) 0.2 Perfume 0.4 Purified water balance

The hair treatment of Example 2 and the hair treatment of Example 3 give excellent softness, dry quickly after use, and have an excellent effect of preventing curling of finished hair.

   ─────────────────────────────────────────────────── ─── Continued front page    F-term (reference) 4C083 AA112 AA122 AC012 AC022                       AC061 AC072 AC122 AC242                       AC302 AC352 AC392 AC422                       AC482 AC582 AC641 AC642                       AC692 AC791 AC792 AD152                       AD162 AD282 AD452 AD512                       BB06 CC33 CC39 DD23 DD27                       DD31 EE06 EE07 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) A higher alcohol (C) 2-naphthalenesulfonic acid, oxybenzonesulfonic acid, or a hair cosmetic containing a salt thereof. 2. The hair cosmetic composition according to claim 1, further comprising a cationic surfactant.