Paula's Choice SKIN PERFECTING 2% BHA Liquid Exfoliant is a gentle leave-on exfoliator that unclogs pores, smooths wrinkles, and brightens skin tone. Powered by salicylic acid, it's ideal for all skin types-especially acne-prone or textured skin. Expect clearer, smoother, more radiant skin with consistent use. I may earn commission (affiliate link).