PROBLEM TO BE SOLVED: To provide a skin care preparation suitable for a cosmetic (including quasi medicine), in detail, a skin care preparation suitable for preventing or ameliorating pigment deposition.SOLUTION: The skin care preparation comprises a compound represented by the general formula [wherein Ris an unsubstituted or substituent-containing aromatic group Ris a hydrogen atom, 1-4C straight-chain or branched alkyl, 1-4C straight-chain or branched alkyl chain-containing acyl Ris a hydrogen atom or 1-4C straight-chain or branched alkyl], its optical isomer and/or their pharmacologically acceptable salts and a bleaching component.
