abstract |
(57) [Summary] An object of the present invention is to find a formulation that effectively exerts a comprehensive skin roughness improving function of an L-ascorbic acid tetrabranched fatty acid ester derivative. SOLUTION: The combined use of an L-ascorbic acid tetrabranched fatty acid ester derivative, a hyaluronic acid salt, and another humectant makes the skin improving effect of the L-ascorbic acid tetrabranched fatty acid ester derivative highly exhibited. In addition, it is possible to obtain a cosmetic excellent in the effect of improving skin roughness. |