What It Is: This brush applies, layers, and blends correctors and concealers to brighten eyes in an instant. Expertly designed to provide seamless, even application. How It Works: Designed to apply, layer, and blend corrector and concealer. Ideal for covering undereye circles. Narrowly shaped for precise, even application. How to Use: Apply a small amount of corrector or concealer beneath eyes using long, sweeping motions close to the lash line and inner corner. Gently pat with finger to blend product into skin. 6.899"L