Victoria's Secret PINK makeup artist Colleen Creighton turned me on to this VS PRO Light FX Eye Brightening Pen (aka, under-eye concealer) last year and I haven't looked back since.
For years I'd been using my regular concealer dabbed and smeared under my eyes. What I had been missing! This pen not only glides on super easily but it completely lights up the eye area (something to do with 'light diffusers') and makes your bags disappear. Poof.
It's absolutely essential for anytime when I want to look like I got more than four hours of sleep and absolutely did not indulge in that extra glass (or several) of wine. Beside being great for under eye circles, I also use it as a regular old highlighter on my cheeks, nose and forehead when I want that extra bit of dewiness.
It's basically a workhorse for your makeup bag. Get it here.