The Mattifine 12HR Shine-Control Primer touches up and perfects the skin by reducing pores, controlling oil, and shine. It improves the skins texture and works in synergy with your foundation for improved wear. It is oil-free, resistant to sweat and humidity. It uses lactobionic acid (PHA), algae extract and witch hazel to complement and nourish the skin.To use: Apply evenly to the cleansed face.