Purify your skin with Cosrx BHA Blackhead Power Liquid, an exfoliating solution infused with 4% natural BHA (Beta Hydroxy Acid) to help decongest pores and reduce blackhead formation. Clinically proven to reduce blackheads and excess sebum, the formula combines hydrating Sodium Hyaluronate with White Willow Bark and Niacinamide to brighten and clarify whilst gently eliminating impurities and dead skin cells. Its purifying properties leave skin feeling renewed, refreshed and healthier.