Patent ID: 9308157
Filing Date: 2016-04-12
CPC Classification: A61K,A61P,A61Q

Claim Text:
1. A cosmetic agent, comprising: (A) at least one cysteine compound represented by formula (I) or a salt thereof: wherein X and Y are each independently OR Z is a hydrogen atom or a C W is a C (B) at least one whitening agent, wherein: (A) said at least one cysteine compound or a salt thereof is one or more members selected from the group consisting of N-acetyl-2-methylthiazolidine-2,4-dicarboxylic acid, a salt of N-acetyl-2-methylthiazolidine-2,4-dicarboxylic acid, N-acetyl-2-methylthiazolidine-2,4-dicarboxylic acid 2-ethyl ester, and a salt of N-acetyl-2-methylthiazolidine-2,4-dicarboxylic acid 2-ethyl ester; and (B) said at least one whitening agent is one or more members selected from the group consisting of arbutin, cetyl ascorbyl ether, kojic acid, 4-methoxy salicylic acid, chamomilla recutita extract, ellagic acid, linoleic acid, glutathione, tranexamic acid, 4-n-butylresorcinol, and 4-hexylresorcinol.