Face primers are popular, do-it-all complexion enhancers that seem to have many manufacturers (and users) singing their praises lately. The descriptive word choice is no accident- primer for your face essentially serves the same purpose as primer for household paint. The goal of these creamy wonders is to smooth out the “canvas” of your skin so that makeup is able to stay put longer and cover flaws.  However, so many types have flooded the market that it can be difficult to choose the best one for you. Let me try to help clarify your options with a few definitions and formulas explained.