ac- emulsion mat is a facial moisturizer that provides a matte finish, neutralizing shine from the first application, ideal for oily, acne-prone skin. The special microspheres it contains effectively absorb excess sebum while the moisturizing agents restore the skins water balance. ideal as a makeup base. recommended for: oily, acne-prone skin. absorbs excess sebum offers a long-lasting matte finish helps reduce imperfections smoothes the skin