The Ordinary Lactic Acid 10% + HA is a chemical exfoliant that helps to resurface and rejuvenate the skin. It contains a 10% concentration of lactic acid, an alpha hydroxy acid derived from milk, which gently exfoliates the skin, removing dead skin cells and promoting a brighter, smoother complexion. The formula also includes a 1% concentration of Hyaluronic Acid, which hydrates and soothes the skin, making it suitable for those with sensitive or dry skin. This product can be used as part of a skincare routine to reveal a renewed, glowing complexion.