Whether your under eye circles are due to an uncharacteristically late bedtime or the genetic lottery, they are unsightly and unwanted, particularly when you have a long day at the office. Chances are you’ve been reaching for your regular concealer and applying a half moon shape under your eyes for many years (guilty), but we recently found out that is not only inefficient, but actually draws more attention to the problem. We tapped M·A·C Cosmetics Senior Artist Cynthia Rivas to teach us how to look bright-eyed and bushy tailed, here is her step-by-step guide.