Product name white willow bark p.E Used part: salix alba Ingredient: salicin Specification: salicin 15%, 25%, 30%, 50% Appearance: yellowish brown powder Analytical method: hplc Function: 1. It has the same effect on the body as aspirin without any of the side effects. 2. It's an anti-inflammatory, a fever reducer, an analgesic, an anti-rheumatic, and an astringent. Specifically it helps to relieve headaches Storage: stored in cool and dry place, keep away from the lights. Package:25kg/drum, vacuum(double plastic bags inside, cardboard drum outside)