There may not be enough room in your cosmetic bag or underneath the bathroom sink for another thing, and that's understandable. But take a look at these five beauty gadgets, and you may want to make some room. First, for effortless foundation application, try the Elizabeth Arden Makeup Blender ($15). It's a large, teardrop-shaped sponge at the end of a handle that resembles that of a large makeup brush....