| 摘要 |
PURPOSE:A beautifying and whitehing cosmetic, obtained by incorporating diisopropylamine dichloroacetate with a urocanic acid having inhibitory effect on melanization and rapidly reducing the color of black skin without skin irritation. CONSTITUTION:A beautifying and whitening cosmetic, obtained by incorporating (A) diisopropylamine dichloroacetate with (B) urocanic acid and/or ethyl ester thereof in an amount each of 0.05-3.0wt% based on the total weight of the above-mentioned cosmetic in a cosmetic base, e.g. well-known cream, milky lotion or lotion, and having effect on reduction in color of the skin under dermal physiologically favorable conditions by synergistic effect of the component (A) on promotion of the turn over rate of the keratinous layer by activation of the skin tissue and rapid removal of melanin with the keratinous layer at the same time to reduce the color of black skin and effect of the component (B) on suppresssion of the latent melanization ability of the skin and prevention of new black skin formation. |
