Skin-lightening cosmetic

A technology of whitening cosmetics and protein, which is applied in the field of whitening cosmetics and can solve problems such as poor stability of cosmetics
CN1266367AInactive Publication Date: 2000-09-13SUNSTAR KK
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SUNSTAR KK
Publication Date
2000-09-13
Estimated Expiration
Not applicable · inactive patent

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Abstract

A skin-lightening cosmetic which contains an unsaturated fatty acid or a derivative thereof as the active ingredient, is highly effective in making the color of pigmentary deposits on the skin lighter at a lower concentration, and is highly safe. The cosmetic comprises (A) at least one member selected among C18-22 unsaturated fatty acids having 2 to 6 double bonds in the molecular structure and derivatives of the acids, (B) a phospholipid, (C) an antioxidant, (D) at least one member selected among proteins and hydrolyzates thereof, and (E) at least one member selected among mucopolysaccharides and salts thereof.
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Description

field of invention

[0001] The present invention relates to a whitening cosmetic for disappearing, lightening or preventing skin darkening caused by ultraviolet rays or skin pigmentation such as age spots and freckles. Background of the invention

[0002] One of the aging phenomena of the skin is the appearance of abnormal pigmentation such as so-called age spots such as liver spots and age spots. These hyperpigmentation disorders are known to be exacerbated by ultraviolet rays, and for their prevention, ultraviolet protective agents and the like can be used. Whitening cosmetics using vitamin C, placenta extract, kojic acid, arbutin, unsaturated fatty acids, and the like as active ingredients are known as substances capable of reducing already-onset dyspigmentation. Among them, unsaturated fatty acids represented by linoleic acid (Linoleic acid) are known to have an excellent effect on reducing pigmentation generated in the skin (refer to Journal of Japanese Cosmetic Technol...

Claims

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