| abstract |
The present invention relates to a skin moisturizing enhancement, elasticity enhancing or anti-aging external composition for skin containing two or more selected from the group consisting of root-derived extract, root extract and upper leaf extract as an active ingredient, hyaluronic acid synthase present in human cells Increase the gene expression of (hyaluronic acid synthase2, HAS2) to activate the body's hyaluronic acid production, promote the synthesis of versicans, inhibit the production of MMP-12 responsible for the breakdown of extracellular matrix To strengthen the skin elasticity and skin moisturizing effect excellent relates to an external composition for skin. |