What it is: A three-in-one, long-lasting setting spray to prep, set and refresh your makeup, inspired by backstage techniques.What it does: A genuine glow booster and skin perfector, Dior Backstage Airflash Radiance Mist gives radiance and vitality to the complexion immediately upon using. It will instantly fuse with your skin, leaving it fresh, soft and ready for makeup. It's long-wearing and ensures makeup stays beautiful with a weightless effect for a radiant finish that lasts. Light and convenient, it can also be used throughout the day to restore radiance to tired, dull complexions. Light-enhancing pigments help revive the complexion's glow, while hyaluronic acid maintains hydration for skin that appears plumped with each use.Research resultsIn a consumer test on 64 subjects after one month of use:- 100% of testers found that their makeup was more resistant to melting, cracking, sliding and fading. How to use: Shake for five seconds before use. Hold eight inches from your face, close your eyes and spray all over in a 'Z' pattern.