What it is: The Backstage Rosy Glow Dior Blush offers buildable, "Custom" long-wearing color thanks to a formula featuring a technology that reacts to the skin's pH. Delivers an instant healthy glow that is long-wearing and weightless. What it does: Adapts to the skin's pH for personalized makeup results Ultra-fine, soft powder that melts into the skin for a weightless, second-skin effect Blends effortlessly for a uniform finish