I hacked my face in Vegas

The recirculated air in the casinos and convention centers of Las Vegas is one of the least friendly places for your skin: think cracked lips, sallow cheeks, dry patches everywhere.

It's also a place where scores of beauty companies are eager to analyze and quantify your face, and suggest products for how to look a little more fresh. This year, I decided to take them up on the offer, and see if I could hack my beauty routine.