By eHow Fashion, Style & Personal Care Editor
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Glycolic acid is a naturally occurring acid derived from sugar cane. It is one of a larger family of acids called alpha hydroxy, or fruit, acids. Glycolic acid is commonly used in chemical peels applied to the skin. The peel exfoliates the top layer of the skin and stimulates collagen growth. A glycolic acid peel or series of peels can be used to treat hyperpigmentation, dry skin, fine wrinkles and acne.
eHow Fashion, Style & Personal Care Editor