Some By Mi AHA BHA PHA 30 Days Miracle Toner is a gentle exfoliating toner containing 10,000ppm tea tree leaf extract and three types of acids. This dermatologist-tested formula helps clear troubled skin, remove dead skin cells, control sebum, and provide hydration while maintaining skin's pH balance. The toner features a low pH (5.5) formula that is suitable for all skin types, including sensitive skin. AHA works to exfoliate surface dead skin cells, BHA helps clear pores and control oil production, while PHA provides gentle exfoliation and hydration. The product should be applied after cleansing using a cotton pad or hands, followed by gentle patting motions for better absorption. For optimal results, consistent use for 30 days is recommended.