2% Salicylic acid acne medication. Aggressively treats and helps prevent blackheads. No. 1 pharmacist recommended brand. Oxy Blackhead Pads use a patented formula, which penetrates deep into the pores where blackheads start - removing dirt, oil and bacteria without drying the skin. Oxy Blackhead Pads provide maximum effectiveness to fight existing blackheads and help prevent new ones from forming.