What it is: A lightweight, universal primer that helps makeup last longer, blurs imperfections, and delivers up to 24 hours of hydration for an enhanced complexion.What Else You Need to Know: BACKSTAGE is a collection of makeup-artist essentials, designed to suit all skin tones, used at the Dior runway shows, and inspired by the energy backstage. This primer creates a naturally-enhanced, even, and luminous complexion for a touch-up effect and foundation that lasts all day.Clinical Results: In an instrumental test on 15 subjects:- Helps reduce appearance of pores by 45% In an instrumental test on 11 subjects:- Up to 24 hours of continuous hydration