If you want flawless makeup and skin like an Instagram filter, you need a primer. We’ve got the info you need to pick the right natural primer and apply it like a pro. These are the photoshop of the makeup world. They’re used underneath eye-shadow, foundation, tinted moisturizer, and mascara to create a smoothing effect that enhances makeup coverage and helps your makeup stay on longer — all while targeting concerns like oily or dry skin. Some products are silicone-based primers, which can irritate your skin based on the harsh ingredients. Opt for more natural primers that include ingredients you know when you read to ensure you’re putting the best products on your face.