BHAs clean pores by penetrating through oil, exfoliating dead skin cells cleaning out clogged pores. This product has anti-bacterial and anti-inflammatory properties. It´s good for oily and dry skin, it contains betaine salicylate to exfoliates, but it doesn´t remain over your face, it´s not sticky, odorless, colorless and very gentle, you can use it two or three times a week as your first step (over clean skin) and before your AHA. Have white willow bark, B5 vitamin, so is very moisturizing. Good for black heads, wrinkles and spots.