The COSRX AHA/BHA Clarifying Treatment Toner is a black friday deal worth considering. This toner is formulated with natural acids, including AHA (Alpha Hydroxy Acid) and BHA (Beta Hydroxy Acid), which help to exfoliate and clarify the skin. It effectively removes dead skin cells, unclogs pores, and reduces the appearance of blackheads and whiteheads. The lightweight formula also helps to balance the skin's pH level and improve its overall texture. With its black friday discount, the COSRX AHA/BHA Clarifying Treatment Toner is a great addition to your skincare routine.