Salicylic acid is a gentle acid derived from the bark of the willow tree. The bark of this tree has long been used as a traditional remedy for pain, inflammation, and fever.
Today, salicylic acid has become a popular treatment for acne, and is used in chemical peels to improve the appearance of fine lines, wrinkles, blemishes, and sun damage. Salicylic acid peels can also help keep pores clean to treat and prevent acne. Let’s have a look at the history of salicylic acid.