abstract |
Development of a new whitening agent having high effectiveness and application thereof. The present invention provides a whitening agent containing nimbin as an active ingredient, a skin whitening external preparation, and a skin whitening method. [Effect] Ninbin, which is an active ingredient, has an excellent whitening action, specifically, a melanin production inhibitory action. By using this compound, it is possible to constitute a whitening agent that exhibits a high effect. By applying this to a skin whitening preparation for whitening, it becomes possible to provide a whitening effect such as effective suppression and improvement of skin pigmentation such as skin darkening, freckles, dullness or skin blackening caused by UV exposure. It was. [Selection figure] None |