| abstract |
(57) [Summary] [Purpose] To provide a cosmetic having excellent moisturizing properties. [Structure] An improved moisturizing property characterized by containing the following components (A) and (B) in a mixing ratio of 9.5: 0.5 to 0.5: 9.5 by weight. Cosmetics. (A) General formula (1) (However, in the formula, M represents hydrogen or an alkali metal, and n Represents an integer of 10 to 5000) and is represented by N- (3- Carboxypropanoyl) -6-O- (carboxymethyl) chitosan (B) Water-soluble chitin derivative or water-soluble chitosan derivative (however, chitosan of the general formula (1) is made water-soluble by introducing a hydrophilic group into chitin or chitosan. (Excluding derivatives) |