Patent ID: 7795300

Claim:
An external preparation for skin, comprising one or more compound(s) selected from 5,7-dihydroxy-3,6-dimethoxy-2-(5-hydroxy-4-methoxyphenyl)-4H-1-benzopyran-4-one, 5,7-dihydroxy-3,6,8-trimethoxy-2-(3,4,5-trihydroxyphenyl)-4H-1-benzopyran-4-one, and 3,5-diethoxy-6,7-dimethoxy-2-(5-ethoxy-4-methoxyphenyl)-4H-1-benzopyran-4-one and/or a salt thereof in a range of 0.035 to 2.0% by mass; and 4-n-butyl resorcinol and/or a salt thereof in a range of 0.05 to 5% by mass.