PROBLEM TO BE SOLVED: To provide a skin external preparation suitable for prevention or improvement of pigmentation.SOLUTION: A skin external preparation contains 1) a compound represented by the following general formula, and 2) AGEs decomposer. In the formula, R1 is an aromatic group, R2 is a hydrogen atom or a 1-4C straight-chain or branched-chain alkyl group or the like, and R3 is a hydrogen atom or a 1-4C straight-chain or branched-chain alkyl group.COPYRIGHT: (C)2014,JPO&INPIT【課題】色素沈着予防又は改善用に好適な皮膚外用剤の提供。【解決手段】1)下記一般式に表される化合物、と、2)AGEs分解剤とを含有する皮膚外用剤。[式中、R1は、芳香族基を、R2は、水素原子、炭素数1~4の直鎖又は分岐のアルキル基などを、R3は、水素原子、炭素数1~4の直鎖又は分岐のアルキル基を表す。]【選択図】図1
