Two in One Poreless Power Liquid is dually able for your pore care with BHA to help clean the pores, Tannin to help tighten them. This liquid is also effective for cooling down skin temperature and controlling excessive sebum production. Since this liquid contains only 0.1% of BHA, it can be used with other AHA or BHA products. HOW TO USE: Pump the liquid and gently pat on your face for absorption. To form a better synergy, use with a cotton pad and wipe off face avoiding lip and eye area.