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Two-layer hair cosmetic

A technology for cosmetics and hair, applied in cosmetics, hair care, cosmetic preparations, etc., can solve the problem of sticky surfactants and other problems, and achieve the effects of easy emulsification, excellent coating, and excellent aesthetics

Active Publication Date: 2018-10-09
MANDOM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since a large amount of surfactant needs to be blended in order to highly blend the oil agent in the inner phase of the emulsion, there is a problem of stickiness due to the surfactant

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0071] Hereinafter, the present invention will be described in more detail based on examples, but the present invention is not limited only to these examples. In addition, unless otherwise stated, the compounding quantity shows "mass %", and a compounding component is converted into a pure component.

[0072] Main components used in Examples and Comparative Examples are shown.

[0073] Component A

[0074] Highly polymerized dimethyl silicone oil: the kinematic viscosity at 25°C is 18 million mm 2 / s

[0075] Other ingredients (oil layer)

[0076]Non-volatile silicone oil 1: KF 96-350CS (manufactured by Shin-Etsu Chemical Co., Ltd.)

[0077] Non-volatile silicone oil 2: DOW CORNING TORAY SH200C FLUID 60,000CS (manufactured by Dow Corning Toray Co., Ltd.)

[0078] Liquid paraffin: Carnation (manufactured by Sonneborn Inc.)

[0079] Hydrogenated polyisobutylene: MARUKASOL R (manufactured by Maruzen Petrochemical Co., Ltd.)

[0080] ingredient B

[0081] Ethanol: 95° gene...

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Abstract

An object of the present invention is to provide a two-layer hair cosmetic. Although the hair cosmetic sufficiently has an oil layer, the oil layer and an aqueous layer are easy to emulsify in use andare rapidly separated from the each other after use, and the hair cosmetic is not sticky when used, has excellent hair coatability, and is also excellent in storage stability. The hair cosmetic comprises an oil layer and an aqueous layer. The oil layer contains dimethyl silicone oil and / or dimethiconol (component A) having a kinematic viscosity of 100000 mm2 / s or more at 25 degree centigrade, theaqueous layer contains a low alcohol (component B) having a carbon number of 2 to 5, lauryl trimethyl ammonium chloride and / or N-coconut oil fatty acid acyl-L-arginine ethyl ester.DL-pyrrolidone carboxylate (component C), a water-soluble polymer thickener (component D), and water (component E), an oil layer content is 20.0 / 80.0 or more with respect to the aqueous layer content, and the content ofthe component B is 20 to 32% by mass.

Description

technical field [0001] The present invention relates to a two-layer hair cosmetic comprising an aqueous layer and an oily layer. Background technique [0002] The hair will be damaged due to ultraviolet rays, blowing, combing, shampooing, hair dyeing, etc., resulting in dryness; decreased tension, elasticity, and gloss; poor finger passability, and shrinkage. Conventionally, in order to improve these symptoms, hair cosmetics without rinsing have been marketed. [0003] Hair cosmetics that do not rinse off generally use oil agents such as silicones to form an oil film on the hair to improve the above-mentioned symptoms. In particular, it is known that hair cosmetics containing highly polymerized simethicone spread easily and uniformly, and are excellent in improving effects of finger-through properties, curling properties, gloss, and the like. It is also known that a further improvement effect can be obtained by blending highly polymerized simethicone oil at a high level. ...

Claims

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Application Information

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IPC IPC(8): A61K8/892A61K8/891A61K8/49A61K8/41A61K8/34A61Q5/00
CPCA61K8/34A61K8/416A61K8/4913A61K8/891A61K8/892A61Q5/00
Inventor 冈本将典
Owner MANDOM CORP
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