Yes, primer is an important step in creating a flawless look with Laura Geller Foundation. Primer helps to create a smooth base and can help your foundation last longer throughout the day. It also evens out skin textures, so that your foundation will go on smoothly without accentuating any lines or bumps. Additionally, it helps to keep the oils from your face from seeping into the product which can cause oxidization of certain foundations and ruin their finish! When applying primer make sure you give yourself time for it to sink into the skin before applying your foundation - this will ensure you have an even canvas to work with when putting on your makeup!