WILLOW BARK/(will-oh bark)/n./ 1. A plant extract derived from the bark of the white willow, also known as Salix alba, a deciduous tree that is native to Europe and parts of Western and Central Asia; /n./ 2. A known anti-inflammatory with reported anti-acne properties from salicin, which can be gradually converted into salicylic acid in the presence of enzymes, e.g., “Exfoliate and soothe your skin with willow bark to stimulate cell renewal without the irritation.”
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