You might need a little help. Summer is notorious for taking all the time you spent perfectly applying your makeup and throwing it directly in the toilet. Face-melting heat can take on literal meaning when your bronzer has given up and your eyeliner has run screaming off into the distance. This summer, stock up on products designed to make your makeup do what it's supposed to do--look good. Below, shop shellac-like items that aren't afraid of a little heat.