WHAT IT DOES: Applies, builds, and blends foundation and concealerBEST FOR: Seamless, buildable coverageBRUSH DENSITY: DenseUSE WITH: Creams and liquidsTECHNIQUES: Sweeping and pressing The M100 Dual-Ended Foundation & Concealer Brush simplifies your complexion routine without compromising your results. Use the larger end for foundation and the smaller for concealer—the softly sloped shapes hug every contour, including around your nose and under your eyes. Densely packed bristles help you build and blend liquids or creams seamlessly for a smooth, even finish.