Prep School: The Raddest New Foundation Primers

Wouldn't it be awesome if there were a magic potion that you could put on under your foundation to make it apply perfectly, conceal flaws better, and make your perfect base last all day? Well, thankfully, this is not a makeup unicorn — face primers are real, and they're getting more and more effective at creating the perfect long-lasting visage.
There are lots of great primers out there, but these four have gotten our attention recently as the shining new stars of the base world. These overachievers can do everything from evening out your skin texture to infusing a lit-from-within glow — and they could end up being the most valuable items in your makeup bag.