Effaclar Mat is a mattifying daily face moisturizer for oily to acne-prone skin. It mattifies skin, refines pores and reduces shine. Moisturizes and mattifies the skin immediately. Day after day, skin texture is refined, pores are tightened and sebum production slows down. Formulated with Sebulyse : A sebo-regulating active ingredient more powerful than zinc, chosen for its ability to inhibit sebum production at its source.