Dendrite elongation inhibitor for melanocytes and skin preparation for external use which contains

摘要

Non-therapeutic use of an inhibitor of dendrite elongation for melanocytes comprising a compuestorepresentado by the following general formula (1): ** ** Formula and / or a salt thereof, wherein R1, R2 and R3 each independently represents You join a group or a C1-4 alkyl dehidrógeno atom for external use for inhibiting elongation of dendrites melanocytic.