You can spend a small fortune on concealer and still feel that you're losing your battle against dark circles under the eyes. Makeup professionals tell you the secret to hiding them—without slathering enough makeup to make you look like a clown. The best thing about the tricks you'll read is that with enough practice (and the right products) you can finish your makeup in under … [Read more...] about Tips for Using Concealer (Hide the Worst Undereye Circles!)