Image 1 of 3 Image 2 of 3 Image 3 of 3 Obagi CLENZIderm Pore Therapy £45.00 2% salicylic acid toner that clears oil, tightens pores, and preps acne-prone skin for treatment. Quantity: Add To Cart Added! 2% salicylic acid toner that clears oil, tightens pores, and preps acne-prone skin for treatment.