Obagi CLENZIderm Pore Therapy is a toner formulated to unclog pores and remove dead skin cells from the skin and prepare it for other products in your skin care regimen. Key ingredients include 2% Salicylic Acid which works to decongest pores, reduce oil and remove acne causing bacteria. Menthol works to soothe and calm any irritation. This product can be used as a toner or a spot treatment. Recommended for use on Oily, Acne-prone.