| abstract |
[PROBLEMS] To provide an external composition excellent in antioxidant action, cell activation action, collagen gel contraction action, moisturizing action, platelet aggregation inhibiting action, hyaluronic acid production promoting action, collagenase activity inhibiting action and / or skin elasticity improving action. Offer things. The following steps (a) to (c): (a) a step of filtering seawater with a filter; (b) a filter impermeate is cultured in a saccharide-rich separation medium under anaerobic conditions, and seawater-derived yeast is obtained. And (c) culturing the separated seawater-derived yeast in a culture medium; and containing one or a plurality of seawater-derived yeast cultures obtained by a method comprising the following: A composition is provided. [Selection figure] None |