e.l.f. Matte Putty Primer with Kaolin Clay & White Charcoal is a velvety, oil-free, skin-perfecting primer formulated with kaolin clay and white charcoal to absorb oil and create a smooth, shine-free matte complexion.  It excels at blurring pores, providing "poreless" effect while offering intense makeup grip for all-day wear, particularly for oily skin.