COSRX AHA/BHA Treatment Toner 150mlwill help to refine and resurface your complexion, while hydrating and soothing at the same time. This lightweight toner is very good for acne-prone skin, as it detoxes by removing dead skin cells and other impurities that block the pores. It also clarifies to reduce the appearance of blackheads, whiteheads and blemishes to give a smooth, even skin tone. The Alpha Hydroxy Acids (AHAs) in the toner penetrate the surface layer of skin to reveal the smoother, more radiant layer beneath while hydrating the skin. The Beta Hydroxy Acids (BHAs) are anti-inflammatory, antibacterial, and help to clear up whiteheads and blackheads. Other skin-nourishing ingredients include Willow Bark Water and Apple Fruit Water, which also contain natural AHAs in addition to the Glycolic Acid, while Allantoin and compounds such as silica in Mineral Water help to restore, rejuvenate, and hydrate skin. Panthenol (Pro-Vitamin B5) protects the skin's natural barriers and helps to keep skin supple and hydrated For best results apply daily in the morning and evening by applying with a cotton pad.