EXTERNAL PREPARATION FOR SKIN, CONTAINING AROMATIC KETONE

摘要

PROBLEM TO BE SOLVED: To provide an external preparation for skin, having a skin lightening effect and excellent in a transdermal absorption property. SOLUTION: This external preparation for skin comprises a combination of anα,ε-bis(γ-N-acylglutamyl)lysine having a transdermal absorption action with a compound of formula (wherein, R1, R2are each an alkyl; R3is H or the like; R4is an aromatic group). COPYRIGHT: (C)2009,JPO&INPIT