| abstract |
PROBLEM TO BE SOLVED: To find a new function of Kuzuka and to expand the use of Kuzuka. The present invention provides an oral skin quality improving agent containing a processed kuzuka product. This oral skin quality-improving agent has collagenase inhibitory activity, antioxidant activity, hyaluronidase inhibitory activity, etc., and has excellent skin quality improving effect that improves skin symptoms such as rough skin, wrinkles and tarmi by oral administration (beautifying skin) Effect). These effects are superior to those of processed plant products such as soybean extract. [Selection figure] None |