The present invention has objects to provide an agent for enhancing the effect of skin-whitening ingredients which enhances the skin-whitening action of skin-whitening ingredients and has an improved safeness, and to provide a skin-whitening agent, which contains the above agent and a skin-whitening ingredient(s) and has an improved and enhanced skin-whitening action. The present invention solves the above obj ects by providing an agent for enhancing the effect of skin-whitening ingredients, which contains one or more members selected from the group consisting of guanine and derivatives thereof as an effective ingredient(s); and a skin-whitening agent which contains the above agent along with a skin-whitening ingredient(s), particularly, one or more members selected from the group consisting of adenine including derivatives thereof and/or equol including derivatives thereof.
本发明的目的是提供一种用于增强美白成分效果的制剂,该制剂可增强美白成分的美白作用,并具有更高的安全性;以及提供一种美白剂,它含有上述制剂和一种或多种美白成分,并具有改进和增强的美白作用。本发明通过提供一种用于增强美白成分效果的制剂来解决上述问题,该制剂含有一种或多种选自
鸟嘌呤及其衍
生物组成的组的成员作为有效成分;以及一种美白剂,它含有上述制剂和一种或多种美白成分,特别是一种或多种选自
腺嘌呤(包括其衍
生物)和/或马钱子醇(包括其衍
生物)组成的组的成员。