| abstract |
[PROBLEMS] To seek a new hyaluronidase inhibitor from a plant extract, to reduce the water retention function of skin caused by the degradation of hyaluronic acid, to reduce skin elasticity, tension, and gloss, to form wrinkles and tarmi, or to cause inflammation. It is an object of the present invention to provide a composition useful for preventing skin aging or preventing skin inflammation, which is said to be a skin disease (for example, eczema, pruritus, rough skin, etc.). The present invention provides a hyaluronidase activity inhibitory agent and a cosmetic composition containing the hyaluronidase activity inhibitor, wherein one or more plant extracts selected from white willow, loquat, lime, oyster, and onion are used. [Selection figure] None |