| 摘要 |
The invention relates to an outdoor cosmetic comprising kynurenine (derivative) as an effective ingredient and serving for retaining skin health under exposure to ultraviolet ray, not by inhibiting tyrosinase activity but by actively utilizing tyrosinase activity and allowing the intermediate products in the course of black melanin generation to react with kynurenine (derivative) to generate safe pigments in yellowish brown to red under inhibition of the generation of black melanin. |
