Obagi Clenziderm M.D. Pore Therapy Salicylic Acid 2%, 5. oz. (Toner). Obagi CLENZIderm Pore Therapy is a facial toner that leaves your complexion completely clean and purifies pores. Dead skin cells that clog pores and prevent the complexion from properly healing are decreased by its exfoliating ingredients. Your acne treatment products will absorb more easily into the skin for improved results by using this toner after your cleanser. Pores appear less noticeable and the complexion appears refined and with Obagi CLENZIderm Pore Therapy.'The Obagi skin care line offers uniquely powerful skin care products with a wide range of benefits, including rejuvenating and anti-aging actions. The Obagi system may help to increase smoothness, diminish the appearance of fine lines and wrinkles, improve elasticity, reduce pores, even skin tone, generate balance, normalize oil production, correct blemishes, reduce hyperpigmentation and age spots, increase the skin's tolerance to external elements and its ability to hold moisture through its range of many regimens that work together to achieve a targeted goal.