Cosrx AHA/BHA Clarifying Treatment Toner is a gentle exfoliating toner designed to smooth skin texture and help control excess oil. Formulated with BHA, allantoin, and panthenol, it helps remove dead skin buildup, unclog pores, and calm the skin during exfoliation. The lightweight, watery texture refreshes the skin while preparing it for the next steps of skincare. Suitable for regular use, especially for oily or uneven skin concerned with texture and sebum balance.