COSRX AHA 7 Whitehead Power Liquid is a gentle yet effective exfoliant that contains natural AHA from apple fruit water and glycolic acid, which helps remove whiteheads trapped inside pores and leaves the skin clear and soft. The liquid delivers vitamins, whitening agent,s and natural moisturising components into cleaned pores and will gradually improve skin healthy and bring acne-prone skin back to normal, vibrant skin with a smooth and refined texture.