salacylic acid.... it increases the shedding of the upper layers of the skin, and so unblocks the pores
Nutrogena make several prioducts with 2% salicylic acid, Rapid Clear Acne Defence Lotion is in a moisturising base, they also make an astringent lotion and acne paRAB for oily skin.
Use twice a day after washing the face with soap and water... you might break out in the first few days, as the leasions rise quickly to the surface, then it will settle down and rapidly get better