Alpha hydroxy acids (AHAs) are acids that naturally occur in common foods. They lightly exfoliate the skin, removing the upper layer of dead skin cells and exposing the younger, smoother layer underneath. Use this DIY mask to help stimulate new cell growth for soft and clear skin.
Dr. Chiu suggests looking out for "Products with alpha hydroxy acids to boost turnover of the skin." This treat-in-your-sleep offering from Derma E contains 5% alpha hydroxy acids to effectively slough away dead skin cells and even out skin tone. Derma E Overnight Peel, $19; dermae.com