Primer for Oily Skin If your biggest struggle is midday shine or foundation slipping off, a mattifying primer is your new best friend. These primers help control excess sebum, reduce the appearance of enlarged pores, and ensure your makeup looks just-applied, even after hours. Colorbar’s oil-control variants, for instance, keep your look perfectly polished without feeling heavy on the skin. Our Recommendation: Flawless Finish Primer – Ideal for oily skin Shop Now