| abstract |
The present invention relates to a composition for improving skin. The polyhydroxysteroid represented by the formula (1) or a pharmaceutically acceptable salt thereof according to the present invention promotes skin stem cell proliferation and collagen synthesis, and exhibits an effect of inhibiting elastase activity, thereby activating the skin stem cells , Skin moisturizing, elasticity enhancement and wrinkle improving effect as well as antioxidative effect by eliminating free radicals, inhibiting melanin synthesis and exhibiting whitening effect, thereby being useful as a pharmaceutical composition, a skin external preparation, a cosmetic composition or a health food. |