Cysteine compounds represented by the following formula
wherein each symbol is as defined in the specification, and salts thereof, are superior in stability, have less odor, exhibit an eumelanin production suppressive effect, and are useful as cosmetic agents.
下式所代表的半胱
氨酸化合物
其中各符号如说明书中所定义,它们及其盐类的稳定性更好,气味更少,具有抑制
黑色素生成的效果,可用作美容剂。