Skin Doctors T-Zone Control No More Pores night refiner helps unclog, shrink and tighten pores so your skin looks smooth, matte, even and flawless. The dual action formula firstly removes excess oil that causes enlarged pores and secondly, it helps reduce pore size. Refine and repair while you sleep. Skin Doctors T-Zone Control No More Pores contains the following active ingredients. Salicylic Acid that helps both clear pores and remove the excess oil that causes enlarged pores and Glycolic and Lactic Acids that help to gently exfoliate and clarify to reduce pore size For best results, use in combination with Skin Doctors T-Zone Oil Control Cleanser and No More Oil cream.