JPH11171728A - Cosmetic for forming double eyelid - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a cosmetic for forming double eyelids, having excellent elasticity of film and durability free from an uncomfortable feeling in use such as greasiness, etc. SOLUTION: This cosmetic for making double eyelids comprises (A) a polymer compound having a film-forming ability, (B) a silicone-modified polymer and (C) ethyl alcohol in the formulation ratio A/B of the component A to the component B of 0.1-10.0.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cosmetic composition which is excellent in elasticity and persistence of a coating film and has good usability without unpleasant feeling such as stickiness.

[0002]

2. Description of the Related Art Conventionally, double eyelids have been one element of a beautiful appearance. For these reasons, Showa 40
In the age, the use of cellophane tape to double eyelids became popular among young women. Up to now, double eyelids are cosmetically formed.

[0003] By the way, double eyelids formed with cellophane tape are unnatural in appearance, and the sensitive skin around the eyes is too irritating to cause irritation and the like. There were many problems.

As an alternative to cellophane tape, Japanese Patent Publication No. 47-46911 has proposed a cosmetic composition for forming double eyelids which is simple, has good film maintenance, good makeup, and has no irritating feeling. This is a film-forming agent
Water-soluble polymer substances (polyvinyl alcohol, polyvinylpyrrolidone, hydroxycellulose, polyvinylpyrrolidone / vinyl acetate copolymer), ethyl alcohol as a drying accelerator, metal salt to enhance adhesion, film gloss A configuration is disclosed in which a protein powder is used for suppressing uncomfortable feeling and an adhesive strength of the film is increased, and a wetting agent is used for imparting elasticity to the film.

[0005] However, the contents of the proposal in the above-mentioned publication are finally trying to achieve their purpose by a combination of various kinds of complicated components. Nevertheless, the elasticity of the film can be maintained temporarily, but its persistence is poor.In addition, it is necessary to add a wetting agent to control the elasticity of the film. There was a drawback that the feeling of stickiness was bad, and it was not satisfactory.

[0006]

SUMMARY OF THE INVENTION The present invention provides a novel double eyelid which is excellent in elasticity and persistence of a film and has good usability without unpleasant feeling such as stickiness. The purpose is to:

[0007]

The inventors of the present invention have studied to solve the above-mentioned problems, and as a result, as a component (A), a polymer compound having a film-forming ability, as a component (B), a silicone-modified polymer, A double eyelid comprising ethyl alcohol as (C) and having a weight blending ratio (A) / (B) of component (A) and component (B) of 0.1 to 10.0. The present inventors have found that this can be achieved by making cosmetics, and have completed the present invention. That is, the present invention comprises a polymer compound having a film-forming ability as the component (A), a silicone-modified polymer as the component (B), ethyl alcohol as the component (C), and the weight of the components (A) and (B). The compounding ratio (A) / (B) is 0.1 to 10.
A cosmetic for making double eyelids, characterized by being 0.

[0008]

Embodiments of the present invention will be described below in detail.

The polymer compound having a film-forming ability of the component (A) used in the present invention is, for example, an acrylate ester /
Methacrylic acid ester copolymer (plus size, manufactured by Ryo Kagaku Co., Ltd.), vinyl acetate / crotonic acid copolymer (Resin 2
8-1310, manufactured by NSC), vinyl acetate / crotonic acid / vinyl neodecanoate copolymer (28-2930, N
SC), methyl vinyl ether maleic acid half ester (Gantrez ES, ISP), t-butyl acrylate / ethyl acrylate / methacrylic acid copolymer (Rubimer, BASF), vinyl pyrrolidone / vinyl acetate / vinyl pro Pionate copolymer (Rubiscol VAP, manufactured by BASF), vinyl acetate /
Crotonic acid copolymer (Rubiset CA, manufactured by BASF), vinyl acetate / crotonic acid / vinylpyrrolidone copolymer (Rubiset CAP, manufactured by BASF), vinylpyrrolidone / acrylate copolymer (Rubiflex, manufactured by BASF), Acrylate / acrylamide copolymer (Ultrahold, manufactured by BASF), vinyl acetate / butyl maleate / isobornyl acrylate copolymer (Advantage, manufactured by ISP), alkyl-modified carboxyvinyl polymer (PEMULEN, B.I.
F. Goodrich Co., Ltd.), an acetic acid amphoteric dialkylaminoethyl methacrylate polymer (manufactured by Mitsubishi Chemical Corporation), octylacrylamide acrylate / hydroxypropyl acrylate / butylaminoethyl methacrylate Amphoteric polymer compound such as an union (AMPHOMER, manufactured by NSC), a quaternary compound of vinylpyrrolidone / dimethylaminoethyl methacrylate (GAFQUAT, manufactured by ISP), a methylvinylimidazolium chloride / vinylpyrrolidone copolymer (ruby coat, BASF Cationic polymers such as polyvinylpyrrolidone (Rubiscol K, manufactured by BASF), vinylpyrrolidone / vinyl acetate copolymer (Rubiscol VA, manufactured by BASF), vinylpyrrolidone / dimester Le aminoethyl methacrylate copolymer (manufactured by copolymer 937, ISP Corp.),
Vinyl caprolactam / vinyl pyrrolidone / dimethylaminoethyl methacrylate copolymer (Copolymer VC7
13, ISP Co.) and the like. In addition, naturally derived polymer compounds such as cellulose or a derivative thereof, keratin and collagen or a derivative thereof can also be suitably used. The above polymer compounds can be used alone or in combination of two or more.

The compounding amount of the polymer compound of the present invention is within the range of forming a film which is flexible and does not feel stiff.
0.05 to 15% by weight, based on the total amount of the final preparation
(Hereinafter abbreviated as wt%), more preferably 0.1 wt%.
1 to 10 wt%.

[0011] The silicone-modified polymer of the component (B) used in the present invention is obtained by using a reaction product of an amino group-containing polysiloxane and an anionic polymer disclosed in JP-A-5-43804 by using an alkaline compound. A composite polymer obtained by neutralization, silicone FZ-3148
It is commercially available from Nippon Unicar under the trade name.

The compounding amount is preferably 0.05 to 15% by weight, more preferably 0.1 to 10% by weight, based on the total amount of the final preparation, in a range where there is no stickiness and washing can be easily performed. .

The ethyl alcohol of the component (C) used in the present invention may be a conventional one. Ethyl alcohol is mainly used as a solvent for the silicone-modified polymer of the component (B), but can also be used as a solvent for a polymer compound capable of accelerating the drying of a liquid preparation and forming a film of the component (A). The compounding amount varies as needed depending on the amounts of the components (A) and (B), but can also be used for adjusting the total amount of the final preparation.

In the present invention, it is essential that the weight ratio (A) / (B) of the component (A) to the component (B) is 0.1 to 10.0. Within this ratio range, the elasticity
Properties such as adhesiveness can be provided. The ratio is 0.
If it is less than 1, the elasticity and adhesiveness of the film will be lost, and if the ratio exceeds 10.0, the elasticity and adhesiveness of the film will be lost and the feeling of use will deteriorate, which is not preferable.

[0015] The cosmetic for making double eyelids of the present invention includes:
As long as the effects of the invention are not impaired, in addition to the above essential components, if necessary, water, an oily substance, silicone and its derivatives, a surfactant, a preservative, a chelating agent, an antioxidant,
It is also possible to mix an ultraviolet absorber, a dye and the like. In addition, it is better not to use a fragrance because it may cause skin irritation. In addition, the cosmetic for forming the double eyelid can be in various forms such as liquid or gel as a dosage form, and there is no particular limitation on the dosage form.

[0016]

The present invention will be described below with reference to examples and comparative examples. The present invention is not limited by these. In addition, the compounding quantity of a component is shown by wt%.

Further, (1) a film test method (elasticity and adhesiveness) used in the present invention, and (2) a practical test (film persistence,
The feeling of use) is as follows.

(1) Coating test method (elasticity, adhesion) JIS K 5400 (6.14: Pencil scratch test)
Was applied mutatis mutandis. That is, a test sample is applied on a steel plate at a thickness of 100 μm using an applicator, left to dry at room temperature for 1 hour to form a film, and a 1 kg load is applied to a pencil specified in JIS S6006 to scratch the film. The test was thus carried out. In the test results, the hardness symbol of the softest pencil that does not break the film was expressed as “pencil scratch value”.

Based on the “pencil scratch value”, the evaluation was made according to the evaluation criteria shown in Table 1.

[0020]

[Table 1]

(2) Practical test (persistence of film, feeling of use) A sample of double eyelid cosmetics was actually used by using 20 subjects. The subject himself was evaluated about the persistence of the film 10 hours after application of the sample and the feeling of use (non-stickiness, suppleness, non-discomfort). Thereafter, the determination was made according to the evaluation criteria shown in Table 2.

[0022]

[Table 2]

Examples 1 to 10 and Comparative Examples 1 to 4 (Liquid type) Cosmetics for forming a liquid type double eyelid having the composition shown in Table 3 were prepared by a conventional method, and the above-mentioned tests were carried out. The results are shown in Table 3.

[0024]

[Table 3]

As apparent from Table 3, the weight ratio (A) / (B) of the component (A) to the component (B) is 0.1 to 10.0 using the component of the present invention. Examples 1 to 1
All of the cosmetics which make double eyelids of the liquid type of No. 0 were superior in all of the properties as compared with Comparative Examples 1 to 4 which did not satisfy the essential conditions of the present invention.

Examples 11 to 12 (Gel Type) Cosmetics for forming double eyelids of the gel type having the composition shown in Table 4 were prepared by a conventional method, and the above-mentioned tests were carried out. The results are shown in Table 4.

[0027]

[Table 4]

As is clear from Table 4, Examples 11 to 11 in which the components of the present invention were used and the weight ratio (A) / (B) of the components (A) and (B) was 5.0. Twelve gel-type double eyelid cosmetics were excellent in all of their properties.

[0029]

Industrial Applicability As described above, the present invention provides a novel double eyelid which is excellent in elasticity and persistence of a film and has good usability without unpleasant feeling such as stickiness. Can be provided.

Claims (1)

[Claims] 1. The following components (A), (B) and (C): (A) a polymer compound capable of forming a film; (B) a silicone-modified polymer; (C) ethyl alcohol; A cosmetic for producing double eyelids, wherein the weight ratio (A) / (B) of the component (B) is 0.1 to 10.0.