| 摘要 |
PURPOSE:To obtain a cosmetic preventing change of properties caused by humidity, heating and light, change in fragrance and reduction in viscosity without damaging moisture retaining action of carboxymethyl chitin and utility, contriving to improve stability, using both carboxymethyl chitin and an ultraviolet light absorber. CONSTITUTION:Any cosmetic such as facial cosmetic, hair cosmetic or make-up cosmetic is blended with (A) 0.001-5wt.%, especially 0.005-1wt.% based on sum of the cosmetic of carboxymethyl chitin and (B) 0.001-10wt.% one or more ultraviolet light absorbers generally useful in cosmetics, such as p-amino acid ultraviolet light absorber, anthranilic acid ultraviolet light absorber, cinnamic acid ultraviolet light absorber and benzophenone ultraviolet light absorber as essential components in the weight ratio of the component A/B=50/1-1/50, especially 20/1-1/10 to give a cosmetic having improved stability without lowering the above-mentioned action of the component A. |
