A new revolution of spot care, the COSRX AHA 2 BHA 2 Blemish Treatment Serum Cotton Balls offer an gentle yet effective solution for blemish-prone skin. Each pure cotton ball is filled with a concentrated serum that instantly soothe the appearance of breakouts. A powerhouse duo of 2% glycolic acid (AHA) and salicylic acid (BHA) gently exfoliate to remove impurities, dead skin and excess oil, without leaving any residue. Designed to address blackheads, whiteheads and clogged pores, the serum-infused cotton balls include tongs for hygienic application onto target areas.