Patent :Purified Herbal Extracts of Inhibiting Tyrosinase and Melanin and the Manufacture Thereof
Patent No.:Republic of China Patent No. I393568
Content:This invention is purified herbal extracts of inhibiting Tyrosinase and Melanin, that contain Bai Zhi, Bai Lian, Bai Zhu, Bai Fu Zi, Bai Fu Ling, Bai Ji and Xi Xin.