Salix alba extract
.White willow bark has a long traditional use. Salix alba extract from willow bark is standardized at 15% salicin, which is converted in the body to salicylic acid. Bonusan Salix alba extract is 100% natural and therefore contains no unnecessary preservatives, fragrances, colorants or flavorings. Moreover, all the ingredients have been preserved that are lost during industrial production of salicylic acid.