Frequently asked questionsWhat is the best way to apply foundation for oily skin? Meaning, a grippy makeup primer does just that by gripping foundation to your skin so it won’t melt as the day goes on. What foundation ingredients should you look for if you have oily skin? How we evaluated foundations for oily skinWe started by taking a look at ingredients, textures, and longevity in expert-recommended foundations. We also found foundations that had lightweight and non-cakey textures that still provided the coverage we wanted without making our skin look heavy and greasy.