Ideal for acne prone skin to oily skin, Obagi Clenziderm M.D. Pore Therapy contains salicylic acid as an active ingredient, which is dermatologically tested to unclog congested pores, clear the acne causing bacteria, exfoliate dead cells and control excess sebum production. With regular use of this medicated formulation, the enlarged pores contract, the skin texture and complexion improve, and the skin feels fresh & healthy.