Step 3 in Clinique's Acne Solutions Clear Skin System. Its lightweight, medicated formula helps treat existing acne and prevent future breakouts. It creates a barrier against acne-causing agents and helps control excess oil. Calms, soothes and visibly reduces redness. Lightly hydrates to minimize dryness and peeling. When used as part of the Clear Skin System, it reduces active blemishes by 37% in 3 days.