abstract |
(57) [Summary] [Structure] Formula (I) Ascorbic acid derivative or a salt thereof, a method for producing the same, and use thereof. [Effect] The ascorbic acid derivative of the formula (I) and its salt have the characteristics of both ascorbic acid and hydroxypro, have the whitening effect of ascorbic acid and the moisturizing effect of hydroxyproline, and are highly safe. , Useful as a cosmetic material. |