| abstract |
The present invention relates to 7-dehydrocholesterol derivatives conjugated with fatty acid, and to a composition comprising the same for alleviating skin wrinkles and preventing skin aging. According to the present invention, the 7-dehydrocholesterol derivatives conjugated with fatty acid have increased stability and skin absorption, and can provide vitamin D by being hydrolyzed in vivo. Thus, the 7-dehydrocholesterol derivatives can be effectively used in a cosmetic composition, a pharmaceutical composition, health functional food, and the like, for alleviating skin wrinkles and preventing skin aging. |