| abstract |
PROBLEM TO BE SOLVED: To provide a melanin production inhibitor excellent in melanin production inhibitory effect, high in safety and stability, and a whitening agent containing the same. A Kaimensou genus (Ceratodictyon), coralline algae species (Corallina), Yahazugusa genus (Dictyopteris), Amijigusa genus (Dictyota) Hariamiji (Dictyota spinulos a ), genus Hizikia , genus Sozo ( Laurencia ), genus Phalaenopsis ( Lomentaria ), genus Genus ( Myelophycus ), genus Daruss ( Palmaria ), genus Sargassum ( Salgassum fulvellum ) Except for the genus Sargassum and Sphagnum ( Spha erotrichia ) to obtain a melanogenesis inhibitor. The extract has a high melanin production inhibitory effect, and a skin external preparation and a cosmetic containing the same exhibit an excellent whitening effect. |