| abstract |
[Problem] To provide a functional material that is derived from natural products, has excellent biological safety, maintains skin in a youthful and healthy state, and improves skin turnover in order to make the skin smooth. A skin turnover ameliorating agent having a chymotrypsin type serine protease (kallikrein) activity-enhancing action, which contains, as an active ingredient, a solvent extract of a damask rose flower that is a plant belonging to the genus Rosaceae. [Selection figure] None |