| abstract |
[Problem] To provide a composition for external use on the skin which improves the stability by preventing oxidation of vitamin A group, and is excellent in skin roughening effect and safety. The following components (A) and (P) are contained, the content of (A) is 5,000 to 1,000,000 units / 100 g, and the content of (P) is 0.001. The skin external preparation composition which is -5.0 mass%. (A) Vitamin A group (P) having a weight average molecular weight of 10,000 to 5,000,000, structural unit (I) based on 2- (meth) acryloyloxyethyl phosphorylcholine, 10 to 90 mol%, alkyl (meta ) Copolymer having 90 to 10 mol% of structural unit (II) based on acrylate [selection figure] None |