COSRX AHA/BHA Clarifying Treatment Toner is a gentle, daily exfoliating toner formulated with AHA, BHA, and purifying botanical ingredients to soothe, refresh, and soften the skin. This low pH formula is the best toner for face as it helps maintain the skin’s optimal pH balance while preventing the formation of whiteheads and blackheads. Enriched with mineral water for skin health, natural AHA to even out skin tone, and natural BHA to smooth and soften the skin, COSRX skin toner effectively exfoliates, hydrates, and improves skin texture in one easy step. Suitable for all skin types, including sensitive skin, COSRX toner offers a gentle exfoliation that balances oil production and clears congested pores, making it perfect for daily use and beginners to chemical exfoliation.