The COSRX Lip Plump AHA BHA Vitamin C Treatment is a nourishing and exfoliating lip care formula designed to smooth, brighten, and plump your lips. Infused with AHA & BHA, it gently removes dead skin cells for a soft and even texture, while Vitamin C brightens dull lips and enhances natural color. The formula also contains Hyaluronic Acid and Shea Butter for deep hydration and long-lasting moisture. It leaves lips looking fuller, smoother, and naturally glossy