Mechanism of Action Category: The analgesic, antipyretic, antiseptic and disinfectant properties of white willow bark have been known to physicians for hundreds of years.Remark Salicin for color cosmetic uses:White willow bark P.E.Calms and smooths the skin with its effective content salicin. White willow bark is the original source of salicin, a weaker forerunner of a spirin. Through the ages, long before the discovery of its constituent salicin, w hite willow bark was used to combat many painful conditions, including rheumatism , headache, neuralgia, arthritis, gout, and angina. As for this super function mentioned above,Salicin played as a super herb ext racts for Hair Anti-dander. and many famous cooperation use our salicin to develo p super functional cosmetics and shampoo to protect hair of famous stars,singers and make excelent apperance