Plant extract that contains salicin, a substance that when taken orally is converted by the digestive process to salicylic acid (beta hydroxy acid). The process of converting the salicin in willow bark into salicylic acid requires the presence of enzymes, and is complex. Further, salicin, much like salicylic acid, is stable only under acidic conditions. The likelihood that willow bark in the tiny amount used in cosmetics can mimic the effect of salicylic acid is at best questionable, and in all likelihood impossible. However, willow bark may indeed have some anti-inflammatory benefits for skin because, in this form, it appears to retain its aspirin-like composition. 
*Promotion expires 8:59pm PT October 13, 2015. No promo code required; discount automatically applied to the highest-priced single item in cart. Cannot be applied to previous purchases or combined with other offers. Promotion applies to in-stock products only; no rain checks.
**Promotion expires 8:59pm PT, October 13, 2015. No cash value. Applies to US and Canada only.
***Promotion expires 8:59pm PT, October 13, 2015. Choose any 3 from 28 available FREE samples on orders of $5 or more.
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