Beauty is a tricky field when it's hot out. Mascaras become waterproof, but are a nightmare to take off; hair gets wilder, thanks to the humidity; and unless you opt for gel, nail polish lasts about 24 hours before peeling away. One of the most frustrating aspects, though, is applying your makeup in the morning only for it to slide off by lunchtime — and that's just in an air-conditioned office.
So what's the answer to keep it all in place, no matter where you are? A powerful primer. The little wunderkind has many tricks up its sleeve: illuminating, pore-refining, tone-evening, mattifying — the best primers are pretty darn impressive. Think of it as the camera-ready, makeup-holding addition to your routine.