| abstract |
PROBLEM TO BE SOLVED: To provide a skin external preparation which has a whitening effect synergistically enhanced, is effective for preventing and improving pigmentation, spots, freckles, etc. after sunburn, and has a high whitening effect. SOLUTION: An extract of Spodoptera litura, L-ascorbic acid and its salt or its derivative, hydroquinone and its derivative, cysteine and its derivative, glucosamine and its derivative, azelaic acid and its derivative, hinokitiol and its derivative, placenta extract, A skin whitening agent such as an extract from a plant or algae is used in combination with a skin external preparation. |