| 摘要 |
PURPOSE:To provide a cosmetic containing a specific ascorbic acid derivative and a vitamin E compound as active components, free from undesirable side- effect and skin irritation, storable over a long period and exhibiting excellent effect to prevent chapping and aging of skin. CONSTITUTION:The objective cosmetic contains (A) one or more ascorbic acid derivatives of formula (at least one of X1, X2, X3 and X4 is pivaloyl and the others are H) and (B) one or more compounds selected from vitamin E, vitamin E acetate, vitamin E nicotinate and vitamin E orotate. The ratio of A:B is preferably 3:1-1:2. The compound of formula is e.g. 2-O-pivaloylascorbic acid, etc., and its amount is preferably 0.5-3wt% based on the whole cosmetic. The amount of the vitamin E compound is preferably 0.1-2wt%. |
