COSRX AHA 7 Whitehead Power Liquid is a 100ml exfoliating toner designed to reduce whiteheads and blackheads. It contains 7% glycolic acid (AHA) to gently exfoliate dead skin cells, revealing brighter, smoother skin. The formula also includes hyaluronic acid for hydration and niacinamide for brightening, while using apple fruit water as a natural AHA ingredient