Alpha Hydroxy Acid (AHA)Alpha Hydroxy Acid Serum (AHA) refers to a group of both natural and synthetic acids that exfoliate the top layer of your skin, leaving you with a cleaner and brighter complexion. AHAs are primarily used to exfoliate your skin. If you want a younger looking, clear complexion, alpha hydroxy acids (or AHAs) are the skincare savior you need to add to your skincare routine. This ready to use product penetrate the skin, and stimulate collagen production