What it is:A finishing brush with synthetic fibers for sheer-to-full coverage of Original and Matte foundations. What it does:Get fast, even, and controlled coverage while reducing application time with this Beautiful Finish Foundation Brush. Its patent-pending, ultra-soft, extra-large design is engineered with a unique convex center and waved synthetic fibers that deposit more product with less effort. Its silhouette fits perfectly into bareMinerals’ proprietary Original and Matte foundation lids, capturing every bit of the formulas.