| abstract |
(57) [Summary] [Objective] To provide a stable and safe melanin production inhibitor and an external preparation for skin, which are excellent in whitening effect and preventive / ameliorating effect of pigmentation. [Structure] A melanin production inhibitor is glucoside, maltoside of parahydroxycinnamic acid-4- (2,2,6-trimethyl-yl-cyclohexane) -2-butyl ester, It is composed of glycosides such as maltotrioside, galactoside, cellobioside, and the external skin preparation preferably contains 0.01 to 10% by weight of this melanin production inhibitor as an active ingredient. |