| abstract |
An object of the present invention is to provide a skin external preparation using poly-γ-L-glutamic acid, which is excellent in transdermal absorbability of hydroquinone glycoside and excellent in safety. A hydroquinone glycoside comprising 0.01 to 20% by weight, poly-γ-L-glutamic acid and / or a salt thereof of 0.0001 to 10% by weight, and poly-γ-L-glutamic acid and An external preparation for skin, wherein the blending weight ratio of the salt and hydroquinone glycoside is 10/1 to 1/10000. [Selection figure] None |