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