Of every single makeup category out there, the one with the most mystique is certainly foundation. How do some people seem to make their skin look so natural, while mine just comes out cakey? "For anyone searching for their perfect foundation, keep in mind your undertone, your skin type, and the finish you're looking for," says makeup artist Ehlie Luna. And if there's one thing Cosmo editors are always doing, it's hunting the best foundations. Keep scrolling for expert tips from Luna on how to choose the right foundation for you.