Melanin inhibitor
    5.
    发明授权
    Melanin inhibitor 失效
    黑色素抑制剂

    公开(公告)号:US4978523A

    公开(公告)日:1990-12-18

    申请号:US814172

    申请日:1985-12-24

    摘要: A melanin inhibitor comprising as the reactive component a cinnamic acid derivative of the formula (I) or (II): ##STR1## in which R' represents an acyl group having 2 to 6 carbon atoms, R.sub.1 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group or an alkenyl group, and R.sub.2 represents a hydrogen atom, an alkyl group having 1 to 24 carbon atoms, a cycloalkyl group or an alkenyl group.The melanin inhibitors according to the invention are locally applied to affected portions such as of freckles and pigmentary deposits after sunburn without giving any stimulative or allergic troubles to the skin.

    摘要翻译: 一种黑色素抑制剂,其包含式(I)或(II)的肉桂酸衍生物作为反应性成分:其中R'表示具有2至6个碳原子的酰基, R1表示氢原子,碳原子数1〜6的烷基,环烷基或烯基,R2表示氢原子,碳原子数1〜24的烷基,环烷基或烯基。 根据本发明的黑色素抑制剂在晒伤后局部应用于诸如雀斑和色素沉积物的受影响部分,而不给皮肤带来任何刺激性或过敏性麻烦。