JPH0971516A - Hair cosmetic - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a hair cosmetic by blending a specific amidoamine compound with a higher fatty acid, an organic acid and a specific high-molecular weight dimethylpolysiloxane, providing hair with a sufficient smoothing feeling, flexibility and luster, excellent in protecting effect. SOLUTION: This hair cosmetic is obtained by combining (A) an amidoamine compound of formula I (R<1> is a 13-23C higher fatty acid residue; R<2> is a 1-4C alkyl; (m) is 2-4) with (B) a higher fatty acid, (C) an organic acid and (D) a high-molecular weight dimethylpolysiloxane of formula II (R<3> and R<4> are each methyl or OH; (n) is an integer of 3,000-10,000). The hair cosmetic comprises 0.1-7.0wt.% of the component A, 0.5-10.0wt.% of the component B, 0.01-6.0wt.% of the component C and 0.01-10.0wt.% of the component D based on the total of the hair cosmetic. Dimethylaminopropylstearamide, etc., for example, preferably used as the component A. Palmitic acid, stearic acid, etc., for example, are preferably used as the component B. Citric acid, etc., as the component C. The component D is preferably dissolved in a liquid oil and blended.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a hair cosmetic composition,
More specifically, it relates to a hair cosmetic composition that imparts sufficient smoothness, flexibility and luster to hair and is excellent in hair protection effect.

[0002]

2. Description of the Related Art Conventionally, in hair cosmetics, a detergent for hair such as shampoo contains an anionic surfactant as a main component, so that not only the dirt on the hair but also the oil that protects the surface of the hair during washing. At the same time, it may be removed, the softness and gloss of the hair may be lost, and combing may be poor. For the purpose of preventing such adverse effects, hair treatment compositions such as hair rinses, hair treatments, and hair conditioners containing a quaternary ammonium salt as a cationic surfactant as a main component have been widely used. However, the quaternary ammonium salt alone cannot give the hair a sufficiently smooth and moist feeling, and the irritation is not sufficiently reduced.

In order to cope with these conventional problems, a hair treatment composition using an amidoamine compound and a composition containing stearyl amidoamine lactate, alkylbenzene sulfonate, etc. (Japanese Patent Publication No. 48-1880). ,
A composition containing an amidoamine compound and a carboxylic acid compound (JP-A-62-51612), a composition containing an amidoamine compound and a phosphoric acid ester compound (JP-A-62-51611), and an amideamine compound. A composition containing a bis (2-alkyl-N-hydroxyethylimidazoline) chloroacetic acid complex type amphoteric surfactant (JP-A-64-6210), an amidoamine compound and bis (2-alkyl-N-hydroxyethylimidazoline). ) A composition containing a chloroacetic acid complex-type amphoteric surfactant and a high molecular silicone (Japanese Patent Laid-Open No. 2-160714) has been proposed, but such a composition reduces irritation to the human body. , Smooth feeling on hair,
In terms of softness, glossiness, and protection of hair, satisfactory effects have not been obtained.

Under these circumstances, there has been a strong demand for the development of a hair cosmetic composition which is excellent in imparting sufficient smoothness, flexibility and luster to the hair and has an excellent hair protecting effect.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has a sufficient smoothness, flexibility, and
An object of the present invention is to provide a hair cosmetic that imparts gloss and is excellent in hair protection effect.

[0006]

As a result of intensive studies to solve the above-mentioned conventional problems, the present inventors have found that a specific amidoamine compound, a higher fatty acid, an organic acid, and a specific high molecular weight compound are used. It has been found that the above problems can be solved by blending dimethylpolysiloxane, and the present invention has been completed based on this finding.

That is, according to the present invention, (A) the following general formula (I)

[0008]

Embedded image (In the formula, R ¹ represents a residue of a higher fatty acid having 13 to 23 carbon atoms; R ² represents an alkyl group having 1 to 4 carbon atoms; m is an integer of 2 to 4) Amidoamine compound, (B) higher fatty acid, (C) organic acid,
(D) The following general formula (II)

[0009]

Embedded image (Wherein R ³ and R ⁴ each independently represent a methyl group or a hydroxyl group; n is an integer of 3,000 to 10,000) and a hair makeup containing a high molecular weight dimethylpolysiloxane Fees are provided.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION The hair cosmetic of the present invention will be described below in detail.

The amidoamine compound as the component (A) used in the present invention is represented by the above general formula (I) (in the formula, R ¹ ,
R ² and m are defined as above). Specifically, stearic acid diethylaminoethylamide, stearic acid dimethylaminoethylamide, palmitic acid diethylaminoethylamide, palmitic acid dimethylaminoethylamide, myristic acid diethylaminoethylamide, myristic acid dimethylaminoethylamide, behenic acid diethylaminoethylamide, Dimethylaminoethylamide behenate, diethylaminopropylamide stearate, dimethylaminopropylamide stearate, diethylaminopropylamide palmitate, dimethylaminopropylamide palmitate, diethylaminopropylamide myristate, dimethylaminopropylamide myristate, diethylaminopropyl behenate Examples include amides and dimethylaminopropylamide behenate And the like to. Among these, dimethylaminopropylamide stearate and diethylaminoethylamide stearate are preferably used. In the present invention, one or more of these amidoamine compounds can be arbitrarily used.

The blending amount of the component (A) is preferably 0.1 to 7.0% by weight, more preferably 0.5 to 5.0% by weight in the hair cosmetic composition of the present invention. If it is less than 0.1% by weight, it is not possible to impart sufficient smoothness and flexibility to the hair, while if it exceeds 7.0% by weight, the hair may become sticky.

As the higher fatty acid as the component (B), those having 14 to 24 carbon atoms are preferably used. Specifically, myristic acid, palmitic acid, stearic acid, behenic acid, oleic acid, isostearic acid, 12-hydroxystearic acid and the like are exemplified, and among them, palmitic acid, stearic acid and behenic acid are particularly preferably used. In the present invention, one or two or more of these higher fatty acids can be optionally used.

The blending amount of the component (B) is preferably 0.5 to 10.0% by weight in the hair cosmetic composition of the present invention,
More preferably, it is 1.0 to 7.0% by weight. If it is less than 0.5% by weight, sufficient smoothness and flexibility cannot be imparted to the hair, while if it exceeds 10.0% by weight, the hair may become stiff.

The organic acid as the component (C) is, for example, citric acid, lactic acid, succinic acid, malic acid, L-glutamic acid,
Examples thereof include L-aspartic acid and pyrrolidonecarboxylic acid, and among them, citric acid and L-glutamic acid are particularly preferably used. In the present invention, one kind or two or more kinds can be arbitrarily used from these organic acids.

The blending amount of the component (C) is preferably 0.01 to 6.0% by weight in the hair cosmetic composition of the present invention,
More preferably, it is 0.01 to 5.0% by weight. 0.0
If it is less than 1% by weight or exceeds 6.0% by weight, a stable hair cosmetic composition may not be obtained.

The high-molecular-weight dimethylpolysiloxane as the component (D) has the general formula (II) (in the formula, R ³ and R
⁴ , n are defined as above). In the above formula,
n is 3,000 to 10,000, preferably 4,000 to 9,000. When n is less than 3,000, the hair-protecting effect is insufficient, while when it is more than 10,000, it is difficult to dissolve in other raw materials such as silicone oil, and it is difficult to mix it into hair cosmetics.

When these high molecular weight dimethylpolysiloxanes are blended in the hair cosmetic composition of the present invention, it is preferable to dissolve them in a liquid oil and blend them. Of course, you may mix | blend separately in hair cosmetics and may make it melt | dissolve in a system. As liquid oil,
Examples include chain silicone, cyclic silicone, and isoparaffin hydrocarbon.

The above chain silicone has the following general formula (II
I)

[0020]

Embedded image (In the formula, 1 represents an integer of 0 to 650). Examples of such chain silicone include dimethylpolysiloxane (viscosity 0.65 to 5000 cSt /
25 ° C.) and the like.

The cyclic silicone has the following general formula (I
V)

[0022]

[Chemical 6] (In the formula, p represents an integer of 3 to 7). Examples of such a cyclic silicone include octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, and tetradecamethylcyclohexasiloxane.

Suitable isoparaffinic hydrocarbons are those having a boiling point in the range of 60 to 260 ° C. under normal pressure, and these are Isopar A (registered trademark), C, D, E and G. , H, K, L, M (all manufactured by Exxon), Shelsol 71 (registered trademark) (manufactured by Shell), Soltol 100 (registered trademark), 130, 220 (above). , All of which are manufactured by Phillip Co., etc., and are commercially available.

These liquid oils may be used alone or in combination of two or more, and it is preferable that the total blending amount is 1 to 50 times (weight) with respect to the high molecular weight dimethylpolysiloxane.

The blending amount of the component (D) is 0.01 to 10.0% by weight, preferably 0.1 to 7.0% by weight in the hair cosmetic composition of the present invention. If it is less than 0.01% by weight, it is not possible to impart sufficient smoothness, protective effect and gloss to the hair, while if it exceeds 10.0% by weight, the hair may become sticky.

The hair cosmetic composition of the present invention may optionally contain, in addition to the above-mentioned essential components, other components generally used in hair cosmetic compositions within the qualitative and quantitative ranges that do not impair the effects of the present invention. Can be used. For example, hydrocarbons such as liquid paraffin, petrolatum and squalane; ester oils such as isopropyl myristate and isopropyl palmitate; vegetable oils such as camellia oil, olive oil and avocado oil; polyglycerin fatty acid esters, polyoxyethylene fatty acid esters, polyoxyethylene Nonionic surfactants such as sorbitan monolaurate; cellulose derivatives such as methyl cellulose and hydroxyethyl cellulose; cationized polymers such as cationized cellulose; moisturizers such as propylene glycol and glycerin; polypeptides, other bactericides, antidandruff agents , Chelating agents, ultraviolet absorbers, coloring agents, fragrances, and the like, and one or more of these can be arbitrarily blended.

The hair cosmetics in the present invention mean any cosmetics used for hair, so-called hair cleansing agents such as shampoos, hair rinses, hair treatments,
It broadly includes so-called hair treatment agents such as hair packs. In addition, the type of use, such as a type that is applied to the hair at the time of use and thoroughly rinsed with hair and then rinsed with hot water or the like, or a type such as hair cream or hair spray that is not rinsed Can also include.

[0028]

EXAMPLES The present invention will be described in more detail with reference to the following Examples, but it should not be construed that the invention is limited thereto. In addition, the compounding amount is weight%.

Samples having the compositions shown in the following examples and comparative examples were prepared by a conventional method. Using each of these samples, according to the following evaluation criteria, smoothness, flexibility, gloss imparting effect on hair,
The hair protection effect was evaluated. The results are shown in Tables 1 to 3.
In Tables 1 to 3, “high-molecular-weight dimethylpolysiloxane” used in the above general formula (II) was one in which R ³ and R ⁴ were both methyl groups and n = 6,000.

[Smoothness] Each sample was continuously used for one week by a panel of 20 women, and the smoothness of the hair during and after use (after drying) was sensory evaluated. Evaluation A: 18 or more people answered that there was a smooth feeling B: 14-17 people answered that there was a smooth feeling C: 8-13 people answered that there was a smooth feeling D: 7 people or less answered that it was smooth Answered that there is a feeling.

[Flexibility] Each sample was continuously used for one week by a professional panel of 20 women, during use and after use (after drying).
Sensory evaluation of the flexibility of the hair. Evaluation A: 18 or more people answered that they were flexible B: 14-17 people answered that they were flexible C: 8-13 people answered that they were flexible D: 7 people or less answered that they were flexible Answered

[Gloss imparting effect on hair] 1 g of each sample was applied to a hair bundle of 500 to 600 hair with a length of 15 cm, and 40
Rinse with shaking in 300 ml of warm water (100 cycles /
Min) was repeated twice, and the hair bundle was dried. 10 hairs are arbitrarily selected from this hair bundle, and the goniophotometer G
The reflected light distribution of the hair with respect to the incident light was measured by P-IR (manufactured by Murakami Color Research Laboratory Co., Ltd.), and the glossiness of the hair was determined by the formula shown below.

[0033]

[Equation 1] The effect of imparting gloss to the hair of each sample was evaluated as follows based on the gloss level G obtained by the above method. Evaluation A: Large effect of imparting gloss to hair (G> 15) B: Medium effect of imparting gloss to hair (15 ≧ G> 10) C: Small effect of imparting gloss to hair (10 ≧ G> 5) D: Hair There is no gloss imparting effect on the surface (5 ≧ G).

[Hair protection effect] 1 g of each sample has a length of 15 c
m, applied to 500-600 hair bundles, 40 ° C hot water,
Shaking rinse (100 cycles / min) in 300 ml
After repeated times, the hair tress was dried. The hair bundle was repeatedly brushed with a certain force and brushed 20,000 times, and the number of split ends and cuts generated was counted, and the split ends and cut incidences relative to the total number of hairs were calculated.

The incidence rate Y% of each sample-treated hair was compared with the incidence rate X% of untreated split ends and broken hair to obtain Y / X.
Was evaluated in the following manner. Evaluation A: Large hair protection effect (Y / X <0.5) B: Medium hair protection effect (0.5 ≦ Y / X <0.8) C: Small hair protection effect (0.8 ≦ Y / X < 1.0) D: No hair protection effect (1.0 ≦ Y / X)

[0036]

[Table 1]

[0037]

[Table 2]

[0038]

[Table 3] Example 19 (Hair rinse) (Ingredient) (% by weight) Stearic acid Dimethylaminopropylamide 0.8 Stearic acid 3.0 Palmitic acid 2.0 High molecular weight dimethylpolysiloxane 2.0 (in the general formula (II), R ³ and R ⁴ are both methyl groups, n = 6,000) Dimethyl polysiloxane (20 cs) 10.0 Liquid paraffin 3.0 Glycerin 5.0 L-Glutamic acid 0.6 Hydroxyethyl cellulose 0.5 Preservatives A suitable amount Dye suitable amount Perfume Appropriate amount of purified water residue This hair rinse was excellent in smoothness, softness, gloss imparting effect and hair protecting effect.

Example 20 (Hair Treatment) (Ingredients) (% by Weight) Stearic Acid Diethylaminoethylamide 1.5 Stearic Acid 2.0 Palmitic Acid 3.0 High Molecular Weight Dimethyl Polysiloxane 3.0 (General Formula (II) In the formula, R ³ and R ⁴ are both methyl groups, n = 7,000) Dimethyl polysiloxane (20 cs) 15.0 Liquid paraffin 3.0 2-Octyldodecanol 2.0 POE (40) Hydrogenated castor oil derivative 0.5 1 , 3-butylene glycol 5.0 L-glutamic acid 0.5 citric acid 1.0 Preservative proper amount pigment proper amount perfume proper amount purified water residue This hair treatment provides smoothness, softness, gloss imparting effect and hair protection. It was very effective.

Example 21 (Hair rinse) (Ingredient) (% by weight) Stearic acid Diethylaminoethylamide 2.0 Stearic acid 3.0 Behenic acid 3.0 High molecular weight dimethylpolysiloxane 3.0 (in general formula (II)) , R ³ is a methyl group, R ⁴ is a hydroxyl group, n = 5,000) Dimethyl polysiloxane (6 cs) 15.0 Cetyl 2-ethylhexanoate 2.0 POE (60) hydrogenated castor oil derivative 0.5 propylene glycol 5. 0 L-Glutamic acid 1.0 Citric acid 0.5 Hydroxyethylcellulose 0.2 Preservatives Amount Dyes Amount Aroma Perfume Amount Purified water Residue This hair rinse is excellent in smoothness, flexibility, gloss imparting effect and hair protection effect. It was a thing.

Example 22 (Shampoo) (Ingredient) (wt%) Polyoxyethylene (3) sodium lauryl ether sulfate 15.0 Coconut oil fatty acid amide propyl betaine 5.0 Coconut oil fatty acid diethanolamide 3.0 Ethylene glycol di Stearate 0.5 Cationized cellulose 0.5 (“Polymer JR400”; manufactured by Union Carbide) Stearic acid diethylaminoethylamide 1.0 Stearic acid 1.5 High molecular weight dimethylpolysiloxane 0.2 (in general formula (II)) , R ³ is a methyl group, R ⁴ is a methyl group, n = 6,000) Dimethyl polysiloxane (20 cs) 1.0 Citric acid 0.2 L-Glutamic acid 0.3 Preservative proper amount pigment proper amount perfume proper purified water residue This shampoo has a smoothness, softness, gloss effect and hair protection. It was very effective.

Example 23 (Hair rinse) (Ingredient) (wt%) Stearic acid Diethylaminoethylamide 2.0 Stearic acid 3.0 Behenic acid 3.0 High molecular weight dimethylpolysiloxane 3.0 (in general formula (II)) , R ³ is a methyl group, R ⁴ is a hydroxyl group, n = 5,000) Dimethyl polysiloxane (6 cs) 15.0 Cetyl 2-ethylhexanoate 2.0 POE (60) hydrogenated castor oil derivative 0.5 propylene glycol 5. 0 L-aspartic acid 1.0 Citric acid 0.5 Hydroxyethylcellulose 0.2 Preservatives Appropriate amount Dyes Appropriate amount Fragrances Appropriate amount Purified water Residue This hair rinse provides smoothness, flexibility, gloss imparting effect and hair protection effect. It was excellent.

[0043]

As described above in detail, according to the present invention, it is possible to provide a hair cosmetic composition which can impart sufficient smoothness, flexibility and luster to hair and has an excellent hair protecting effect. There is an effect that can be.

Front page continuation (72) Inventor Katsuo Hashimoto 1050 Shinba-cho, Kohoku-ku, Yokohama-shi, Kanagawa Shiseido Daiichi Research Center Co., Ltd.

Claims (2)

[Claims] (A) The following general formula (I): (In the formula, R ¹ represents a residue of a higher fatty acid having 13 to 23 carbon atoms; R ² represents an alkyl group having 1 to 4 carbon atoms; m is an integer of 2 to 4) Amidoamine compound, (B) higher fatty acid, (C) organic acid,
(D) The following general formula (II): (In the formula, R ³ and R ⁴ each independently represent a methyl group or a hydroxyl group; n is an integer of 3,000 to 10,000.) Hair comprising a high-molecular-weight dimethylpolysiloxane Cosmetics. 2. The component (A) is added to the total amount of the hair cosmetic in an amount of 0.
1-7.0 wt%, (B) component 0.5-10.0 wt%, (C) component 0.01-6.0 wt%, (D) component 0.01-10.0 The hair cosmetic composition according to claim 1, wherein the hair cosmetic composition is blended in a weight percentage.