| 摘要 |
PURPOSE:To obtain a beautifying agent eliminating or preventing blackening of skin by ultraviolet rays, stain or freckle, containing a liberated fatty acid having limited numbers of carbons and unsaturated bonds, a salt thereof or an ester with an alcohol as an active ingredient. CONSTITUTION:A beautifying cosmetic containing 0.1-10wt.% fatty acid (e.g. linoleic acid, gamma-linolenic acid, arachidonic acid or eicosapentaenoic acid) having 18-22C and two or more unsaturated bonds in the molecular structure, salt (e.g. Na salt, arginine salt or triethanolamine salt) or ester (e.g. methyl ester). The cosmetic can eliminate or prevent blackening of skin by ultraviolet rays, skin chromatosis such as stain or freckle and can show excellent beautifying effects without causing side effects. The purified liberated fatty acid of raw material is preferably used. |
