At most, use a lightweight moisturizer, a primer, and then your foundation.Īdding an extra layer of sunscreen will make your skin even more slippery and your foundation won’t sit properly. When you have oily skin, you need to keep the number of creams and serums you use under your makeup to a minimum. So, a foundation with SPF included is a great way of adding a bit more protection without adding another layer of cream beneath your makeup. We’re all being told that we need to be wearing more SPF, even on the grayest and rainiest days.