| abstract |
(57) [Summary] [PROBLEMS] To have a more excellent melanin production inhibitory action and dendrite formation inhibitory action than those conventionally provided, In addition, to provide a pigmentation inhibitor excellent in safety and stability. SOLUTION: The following formula (1): (Wherein, R 1 and R 2 represent a hydrogen atom or a sugar residue, respectively) as an active ingredient, and inhibits melanin production and dendrite formation of this compound. An anti-pigmentation agent utilizing an inhibitory action, and a skin cosmetic and a skin external preparation containing the same. |