The bark of the weeping willow tree is known for its content of salicylic acid and medicinal properties, used for millennia in China before making its way around the globe as an ornamental tree. In ...
Salicylic acid peels aren’t a new approach. People have used salicylic acid peels for more than 2,000 years in their skin treatments. The acid is naturally found in willow bark and wintergreen leaves, ...