abstract |
PROBLEM TO BE SOLVED: To provide a composition excellent in whitening effect and wrinkle prevention improving effect by dramatically improving the stability of a specific ascorbic acid-2-phosphate ester among ascorbic acid derivatives. And [Solution] The skin external preparation of the present invention comprises a specific ascorbic acid-2-phosphate derivative, a composition containing a nonionic surfactant and water, or a specific ascorbic acid-2-phosphate derivative, nonionic A composition containing a surfactant, an oily component and water is prepared, and the composition is prepared by mixing this with a divalent or higher metal salt or an aqueous solution thereof. [Selection figure] None |