NIB - BECCA Cosmetics Backlight Priming Filter - Glow Primer - Full Size 1 FL. Oz. More than just a primer, it’s the secret behind the iconic BECCA glow. Infused with three unique filtering luminescent pearls, each one adds a different drop of diffused light. Blended together, they result in a first of it’s kind, lightweight, whipped fluid that creates a smooth canvas and acts as an instant filter. Blurs imperfections and gives the skin a healthy, luminescent glow. New In Box - Never tested or used Full Size - 1 Fl. Oz.