发明授权
US09181436B2 Cosmetic pigments, their production method, and cosmetics containing the cosmetic pigments 有权
化妆品颜料,其制备方法和含有化妆品颜料的化妆品

Cosmetic pigments, their production method, and cosmetics containing the cosmetic pigments
摘要:
To provide cosmetic pigments that are human-body friendly with good skin adhesion and that provide good feeling, their production method, and cosmetics containing such cosmetic pigments which provide fresh and enriched feeling accordingly.Pigment surfaces are coated with mannosylerythritol lipid, which is glucolipids, consisting of mannose, sugar alcohol and a fatty acid as shown in the general expression (1) below: (Note: In the general expression, R1 and R2 denote aliphatic acyl group with carbon numbers 6 through 20, which can be either same or different. R3 and R4 denote hydrogen or acetyl group, which can be either same or different. n denotes an integer in the range of 2 to 4.)
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