Skin whitening compounds and composition for skin

The present invention discloses a skin whitening compounds, including the formula (I) or (II) or a pharmaceutically structure shown cosmetically salts thereof: Further, the present invention also discloses a composition for skin, comprising a pharmaceutically the skin-whitening effective amount of a compound with the pharmaceutically acceptable carrier and an agent. Compared to the conventional whitening ingredients, skin whitening of the present invention or a compound having more excellent activity and substantially equivalent security.