What's the purpose of using a makeup primer? Makeup primer is a must-have in any makeup kit. A primer is a cosmetic product that is used before applying makeup to create a smooth base for makeup application and to help it last longer. It can also help to control oil, blur pores, and even out skin tone. In this blog, we will explore the purpose of using primer, as taught by Time Machine Academy, the best makeup academy in Navi Mumbai that offers professional beauty courses.