Some By Mi AHA BHA PHA 30 Days Miracle Serum is a gentle exfoliating serum that helps treat acne, unclog pores, reduce blackheads and excess oil, and improve uneven skin texture. Formulated with AHA, BHA, PHA, Tea Tree, and Centella Asiatica, it soothes irritation while promoting a clearer, smoother, and healthier-looking complexion.