Doll 10 Airbrush Concealer Brush What It Is The ultra-soft, synthetic bristles can be used with liquids, creams, and powders to achieve perfect placement, easy blending, and flawless application every time. Each brush will blend expertly for foolproof, flawless looks with every application. What You Get (1) Brush (Approx. 8"L x 0.5"W x 0.5" H; Approx.1" diameter; Approx.