It offers the beauty white strengthening medicine which is superior in the safety which strengthens the beauty white action of the beauty white component at the same time, jointly using with the such beauty white strengthening medicine and the beauty white component, it designates that it offers the beauty white medicine which it is improved and is strengthened of the beauty white action which becomes as topic, the beauty white strengthening medicine, and the such beauty white strengthening medicine and the beauty white component which contain 1 kinds or 2 kinds or more which are chosen from guanines as a active ingredient, especially, adenines and/or jointly using with 1 kinds or 2 kinds or more which are chosen from ekuoru, offer the beauty white medicine which becomesIt solves with.美白成分の美白作用を強化する安全性に優れた美白強化剤を提供し、かつ、斯かる美白強化剤と美白成分とを併用してなる美白作用の改善、強化された美白剤を提供することを課題とし、有効成分としてグアニン類から選ばれる1種又は2種以上を含有する美白強化剤、及び、斯かる美白強化剤と美白成分、とりわけ、アデニン類及び/又はエクオール類から選ばれる1種又は2種以上とを併用してなる美白剤を提供することにより解決する。
