Lactic acid belongs to the alpha hydroxy acid (AHA) family and is a chemical exfoliant, but also presents an additional advantage that other AHAs don't have. Lactic acid has the unique ability to deliver deep hydration while also significantly improving the skin's appearance by sloughing off dead surface cells and promoting collagen growth, reducing wrinkles and fine lines, evening skin tone and even calming inflammation. Explore our selection of skincare products with this ingredient below.