PROBLEM TO BE SOLVED: To provide a skin care preparation suitable for preventing or ameliorating pigment deposition.SOLUTION: The skin care preparation comprises two compounds represented by general formula (1) [wherein R1 is an aromatic group R2 is a hydrogen atom, alkyl or acyl R3 is a hydrogen atom or alkyl] and represented by general formula (2) [wherein R4 is an aromatic group or hydrogen atom R5 and R6 are each an aromatic group R7 and R8 are mutually bonded to form a 2-8C nitrogen heterocyclic ring].COPYRIGHT: (C)2013,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】下記の2つの化合物を含有する皮膚外用剤。[式中、R1は芳香族基、R2は水素原子、アルキル基、アシル基、R3は水素原子、アルキル基を表す。][式中、R4は芳香族基、水素原子、R5及びR6は芳香族基、R7及びR8は互いに結合し炭素数2~8の窒素複素環を表す。]【選択図】なし