JPH07534B2 - Hair cosmetics - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a hair cosmetic composition, and in particular, it is transparent and has a shaping property.

[Prior Art] As is well known, hair cosmetics have been diversified from oil-based pomade tics to liquids, blow hair styling agents, and foam hair styling agents in accordance with changes in consumer preference. In recent years, the cosmetics for transparent hair, which does not contain oil or has only a small amount, which has a shaping property, has come to be used due to the fashion of some young people. By the way, the excipient used in these products is generally a partially crosslinked polyacrylic acid salt.
8, JP-A-57-48904 also discloses cosmetics containing this type of super absorbent polymer. Further, the use of polyvinylpyrrolidone for enhancing the hair styling power is described in JP-A-60-81119. The use of vinylpyrrolidone vinyl alcohol copolymer, hydroxyethyl cellulose, polyvinyl alcohol and the like is also described in JP-A-61-229814. On the other hand, transparent cosmetics containing polyacrylic acid salt are usually set to a weak alkalinity of pH 7 to 9 in order to maintain their transparency, and the fragrances are limited to those with good solubility and the types of scents are also limited. . Further, as nonionic activators used for the purpose of solubilization, castor oil-based, hydrogenated castor oil-based, linear alkyl, linear alkylphenyl compounds are known.

[Problems to be Solved by the Invention] However, conventional hair cosmetics, in particular, transparent hair styling products having shaping properties are sold as gel hair styling products in the market and are used for the purpose of keeping hairstyles for a long time. . For this reason, the hair styling power is strong, but there are problems such as stiff and sticky hair, and it is one technical problem to solve this problem.

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 composition which is excellent in shapeability and transparency as well as a finished feeling as compared with conventional ones.

[Means for Solving the Problem] The present inventors have found that when polyvinylpyrrolidone or polyvinyl alcohol is used in a system in which a polyacrylate is blended in order to enhance the hair styling ability, the solubilization of the perfume is inhibited and it becomes cloudy. In addition, there are problems such as a stiff feeling and stickiness, and in order to solve this point, a surfactant, a water-soluble solvent, modified silicone, lanolin EO adduct, etc. were mixed and evaluated. However, no substance was obtained in which the transparency of the system and the feeling of use were improved. Therefore, as a result of mainly evaluating the nonionic activator in consideration of the compatibility in the polyacrylic acid salt-containing system, some nonionic activators having a branched chain are remarkable in improving the usability as well as making the system transparent. It has been found to be effective.
That is, the gist of the present invention is to contain an anionic polymer compound, a nonionic polymer compound, and a branched-chain nonionic activator.

[Operation] The anionic polymer compound, the nonionic polymer compound and the branched chain nonionic activator according to the present invention are as described below.

(1) As the anionic polymer compound, acrylic acid,
Examples thereof include polymers or copolymers of methacrylic acid, acrylic acid amide or methacrylic acid amide, or polymer compounds obtained by crosslinking these compounds. Specifically, the polymer compounds include Carbopol 940, Carbopol 940 (manufactured by Goodrich, USA), Hibiswako (manufactured by Wako Pure Chemical Industries) and Junron PW110,111 as carboxyvinyl polymers.
(Manufactured by Nippon Pure Chemical Co., Ltd.), and as a copolymer of acrylic acid methacrylic acid, Cybinol (Siden Chemical) and the like can be mentioned. Any one kind or two or more kinds are selected from these, and the compounding amount is 0.1 to 5% by weight. Examples of the inorganic and organic alkalis that should neutralize the carboxyvinyl polymer include caustic soda, caustic potash, calcium hydroxide, monoethanolamine, diethanolamine, triethanolamine, aminomethylpropanol, aminomethylpropanediol, and the like. You can In the present invention, any one or more of the above alkalis are selected and used. The compounding amount is 0.1 to 1.5% by weight in the metal and is generally equivalent to the carboxyvinyl polymer, but not limited to this.

(2) As the nonionic polymer compound according to the present invention,
Polyvinylpyrrolidone, vinylpyrrolidone and vinylacetate copolymers, vinylpyrrolidone and vinyl alcohol copolymers, etc.
P / K, PVP / VA (GAF) Luviskol K, Luviskol VA (BA
SF company) and the like. The amount of the vinylpyrrolidone-based polymer to be blended is 0.1 to 7.0% by weight, and they can be used alone or in admixture of two or more.

(3) The branched-chain nonionic activator according to the present invention has a branched chain in the hydrophobic group, and includes polyoxyethylene hexyldecyl ether, polyoxyethylene isostearyl ether, polyoxyethylene octyldodecyl ether, and polyoxyethylene. Each can be used alone or in combination of two or more. The compounding amount is 0.1 to 5.0%, preferably 0.5 to 3.0%. If it is less than 0.1%, the solubilizing power is weak, and if it exceeds 5.0%, stickiness occurs.

(4) In addition to the above-mentioned essential components, the hair cosmetic composition according to the present invention is a cationic active agent, an anionic active agent, an amphoteric active agent, a natural polymer compound, as long as the stability of the system is not impaired.
Amino acids such as pyrrolidonecarboxylic acid, humectants such as glycerin and propylene glycol, preservatives such as parabens, chelating agents such as ethylenediaminetetraacetate, antioxidants such as dibutylhydroxytoluene, UV absorbers such as oxybenzone and sinoxate, vitamins A,
Oils such as B, C, D, E, H, silicon, liquid paraffin, and higher fatty acid ester, pigments, and fragrances may be added.

[Examples] Examples of the present invention will be described below. However, in this example, the transparency, the hair styling power, the stickiness, the stickiness, and the shapeability were tested, and these test methods are as follows.

(A) Transparency Put a polyvinyl acetate aqueous solution of each concentration in a transparent glass bottle (50 ml) and judge visually.

5 points: Polyvinyl acetate 0% (same as water) transparency 4 points: Polyvinyl acetate 0.044% aqueous solution transparency 3 points: Polyvinyl acetate 0.1% aqueous solution transparency 2 points: Polyvinyl acetate 0.44 % Aqueous solution transparency 1 point: Polyvinyl acetate 4.4% aqueous solution transparency (a) Hair styling length A hair bundle with a length of 10 cm and a weight of 2 g was dipped in the sample, then taken out and immediately the width of the hair bundle ends. And measure this
Let d ₀ . Next, this hair bundle was dried with hot air at 60 ° C. for 15 minutes, and then the lateral width of the hair bundle end was measured to be d _15, and the hair styling power was calculated by the following formula.

Hairdressing power (%) = {1- (d 15 -d 0) / d 15} × 100 Thus, indicating that hair styling As this numerical value is closer to 100 is good.

(C) No stickiness, no stickiness, and formability. These were subjected to a sensory test by 20 panelists and evaluated according to the following criteria.

◎: Fairly good 80% or more panelists ○: Good 60-80% panelists △: Usually 40-60% panelists ×: Poor 40% or less panelists (Example 1) In the examples, as shown in Table 1 below, 0.5% by weight of carboxyvinyl polymer (trade name Hibiswako 104; Wako Pure Chemical Industries, Ltd.) as an anionic polymer compound and polyvinylpyridone (trade name of nonionic polymer compound)
PVPK-30; Wako Pure Chemical Industries, Ltd.) 5.0% by weight, POE (20) hexyldecyl ether as a branched chain nonionic activator 1.0% by weight, ethanol 10% by weight, and fragrance 0.3% by weight were prepared. did. Also, for Comparative Examples 1 to 4, hair cosmetics were prepared with the formulations shown in Table 1 and evaluated for transparency, hair styling power, no stickiness, no stickiness, and shapeability. The results are as shown in Table 1.

However, according to the above-mentioned Examples, it is possible to obtain a hair cosmetic composition having excellent transparency, hair styling power, stiffness, stickiness and shapeability. That is, when a carboxyl polymer is blended as shown in Comparative Examples 1 to 4, the shapeability is good but the hair styling ability is poor. However, when polyvinylpyrrolidene is added to improve the hair styling property, the stickiness and stickiness are deteriorated and the transparency is also lowered. On the other hand, in the case of Example 1, it is apparent that the addition of POE (20) hexyldecyl ether not only improves the stickiness and stickiness but also greatly improves the transparency.

(Examples 2 to 7) Regarding Examples 2 to 7 and Comparative Examples 5 and 6, the following second
Hair cosmetics were prepared with the formulations shown in the table, and the same tests as in the above-mentioned examples were conducted.

However, in Table 2, the pH was adjusted to 7.0 with TEA. Further, 1) to 4) in the table are as follows.

1) acrylic acid methacrylic acid copolymer; trade name Cybinol (made by Saiden Chemical) 2) carboxyvinyl polymer; trade name Carbopol 94
0 (manufactured by Goodrich) 3) Polyvinylpyrrolidone; trade name PVPK-90 (manufactured by GAF) 4) PVP / VA; trade name rubiscol 73E (manufactured by GAF) Methacrylic acrylate as shown in Examples 2 to 7. Acid, PVP /
In the VA compounding system as well, when a branched chain nonionic activator is compounded, the transparency, stiffness and stickiness are good. However, as shown in Comparative Examples 5 and 6, polyvinylpyrrolidone is 0.05
% Or less, hair styling is inferior, and if 8.0% or more, hair styling is good, but transparency is inferior, and stickiness and stickiness are not improved.

[Effects of the Invention] As described in detail above, according to the present invention, it is possible to provide a hair cosmetic composition with excellent finish, which is excellent in transparency, hair styling power, stickiness, stickiness and shapeability.

Claims (5)

[Claims] 1. A hair cosmetic composition comprising an anionic polymer compound, a nonionic polymer compound, and a branched-chain nonionic activator. 2. The anionic polymer compound is a polymer or copolymer of acrylic acid, methacrylic acid, acrylic acid amide or methacrylic acid amide, or a polymer compound obtained by crosslinking these compounds. The hair cosmetic composition according to claim 1. 3. The hair cosmetic composition according to claim 1, wherein the nonionic polymer compound is a polymer or copolymer of vinyl alcohol, vinylpyrrolidone, vinyl acetate and vinyl methyl ether. . 4. The branched chain nonionic activator is polyoxyethylene hexyl decyl ether, polyoxyethylene isostearyl ether, polyoxyethylene octyl dodecyl ether, polyoxyethylene isostearic acid ester. The hair cosmetic composition according to claim 1. 5. The blending amount of the nonionic polymer compound is
The hair cosmetic composition according to claim 1, which is 0.1 to 7.0% by weight.