专利汇可以提供Melanin inhibitor专利检索,专利查询,专利分析的服务。并且PURPOSE:A melanin inhibitor, containing a specific cinnamic acid derivative as an active constituent, and having a high safety without unrecognized development of irritancy nor allergy to the skin, etc. CONSTITUTION:A melanin inhibitor containing a compound of the formula (R' is 2-8C acyl; R is H, 1-6C alkyl, cycloalkyl or alkenyl), e.g. methyl p-acetyloxycinnamate, as an active constituent. Preferably, the compound of the formula is incorporated in the inhibitor in an amount of 0.01-50wt%, particularly 1- 20wt% based on nonvolatile components in the inhibitor. Furthermore, the addition of allantoin, glycyrrhizin, coix seed or extracts of various plants, etc. improves the inhibitory effect on melanin, and the addition of an ultraviolet light absorbing substance provides a melanin inhibitor having both the preventing and remedial effects on sunburn. The inhibitor is applied locally to a liver spot, ephelis and pigmented site after sunburn of the skin to treat and improve the site and return the site to the normal color of the skin.,下面是Melanin inhibitor专利的具体信息内容。
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