Prep + Prime Skin Refined Zone Treatment is a light, oil-free emulsion that helps conceal visible pores while controlling oil. It applies wet for gentle micro-exfoliation and dries instantly to create an invisible, long-lasting, natural matte finish. It's ideal for use on your T-zone.How to use: Smooth evenly all over your face or to the desired areas, after your moisturizer, with your fingertips or a brush. Apply before foundation. Brand: M.A.C.. Style Name:Mac 'Prep + Prime' Skin Refined Zone Treatment. Style Number: 260083. Available in stores.