No problem for The Mattifier Oil-Control Primer Used alone or as a primer before makeup, it visibly reduces pores and has a mattifying effect. The oil- and silicone-free texture also nourishes and softens the skin with willow bark extract and contains Sederma Evermat™. As a makeup base, this primer provides a long-lasting, even finish. Its sustainable packaging is produced with 100% green energy. Mode of Use: Mattifying primer. Minimizes shine, optically reduces pores and prolongs the duration of makeup.