Introducing the many wonders of the makeup sponge, a humble tool that’s been around for decades but that’s only recently been revamped and is experiencing a well-deserved renaissance. If you’re still using brushes or your fingers to apply makeup, it may be time to try something new. (And no, I’m not talking about those fancy schmancy airbrush machines that blow nanoparticles of foundation onto your face.) Allow me to introduce you to the wonders of the makeup sponge, a humble…