Brand New in Box Hourglass Vanish Seamless Finish Concealer Brush. This brush is Designed for use with liquid and cream concealer products or to optimize the performance of Vanish Airbrush Concealer (sold separately), this brush provides controlled application for the contours of your face, especially under the eyes. Its synthetic Taklon bristles are high-grade, ultrasoft and have the ideal density and texture to seamlessly blend makeup.