| abstract |
[PROBLEMS] To seek a new melanin production inhibitor that has a strong effect at the living body level and has no problems in both stability and safety, such as darkening of skin, dark skin, dullness, or skin blackening caused by exposure to ultraviolet rays. Provided are a component having a whitening effect such as effective suppression and improvement of skin pigmentation and its application. A melanin production inhibitor comprising at least one selected from a specific diarylheptanoid derivative, a skin external preparation containing the same, and a food and drink. |