... Salicin,acesodyne, salicylic acid, allay fever, diminish inflammation, Salix alba (white willow; willow bark ) extract ,Ingredient: Salicin; Salicylic acid .Function: acesodyne,, allay ... acid in its pure state. Salicin.The bark of the white willow tree is a source of salicin and ... for everything from pain relief to fevers. Today, white willow bark is often used as a natural alternative to aspirin ...