| abstract |
(57) Abstract: A tyrosinase activity containing a plant selected from iron bark, toberamodoki, blood wood, cedar, coral tree, sharinbai, yurinoki and azalea or an extract thereof. An external preparation for skin and a whitening composition containing the inhibitor, the plant or an extract thereof. The tyrosinase activity inhibitor, the external preparation for skin or the composition for whitening of the present invention suppresses abnormal production of melanin in the skin, and has the effect of preventing or preventing pigmentation and spots and freckles after sunburn. |