Preparation for external use on skin

Details Preparation for external use on skin Preparation for external use on skin

A - Human Necessities

61

K

A61K 31/375 (2006.01) A61K 47/10 (2006.01) A61K 47/18 (2006.01)

Patent

CA 2508093

The present invention has as an object to provide a preparation for external use on skin in which the percutaneous absorption amount of ascorbic acid or an ascorbic acid derivative is increased and an effect on improving skin pigmentation and dullness is enhanced. In a preparation for external use on skin, comprising one or more compounds selected from ascorbic acid and ascorbic acid derivatives, by employing diglycerol and a low molecular weight betaine together, a preparation for external use on skin in which the percutaneous absorption of the ascorbic acid or the ascorbic acid derivative is increased, an effect on improving skin pigmentation and dullness, etc. is sufficiently exhibited and an excellent humectant effect is exhibited can be provided.

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