The Some By Mi AHA BHA PHA 30 Days Miracle Acne Clear Foam washes away dead skin cells, sweat, and dirt to prevent breakouts. It’s powered with an exfoliating trio of AHA, BHA, and PHA to penetrate deep within pores. It also helps to control excessive sebum production, making this a great choice for combination to oily skin types. Size: 100 mL To use: Use after removing sunscreen and makeup using an oil-based cleanser. Dispense a small amount onto hands and lather with water. Gently massage onto face, and then rinse off with lukewarm water.