Abstract:
PURPOSE: A composition containing dehydroglyasperin C, dehydroglyasperin D, or isoangustone A as an active ingredient for skin whitening is provided to suppress tyrosinase activity and melanogenesis, and to ensure excellent skin whitening effect. CONSTITUTION: A cosmetic composition for skin whitening contains dehydroglyasperin C of chemical formula 1 as an active ingredient. The cosmetic composition contains dehydroglyasperin D of chemical formula 2 as an active ingredient. The cosmetic composition for skin whitening contains isoangustone A of chemical formula 3 as an active ingredient. The compounds are derived from Glycyrrhizae radix.