| abstract |
(57) [Summary] [Purpose] To contain vitamin K group as a whitening ingredient in cosmetics. [Composition] For cosmetics, vitamin K 1 , vitamin K 2 , vitamin K 3 , vitamin K 4 , vitamin K 5 , vitamin K 6 , vitamin K 7 , and their homologues, stereoisomers, One or a mixture of two or more vitamin K groups of salt is contained as a whitening ingredient. Cosmetics containing these vitamin K groups have a high whitening effect and are excellent in safety and stability. |