COSRX AHA/BHA toner soothes, refreshes & softens Skin: 0.1% of AHA Glycolic Acid and BHA Betaine Salicylate helps remove dullness and dead skin cells. It is made with Natural Ingredients: 10% of Pyrus Malus (Apple) Fruit Water and Salix Alba (Willow Bark) Water, and it is gentle enough for daily use on all skin types.