132 Duo Fibre Foundation Brush For Foundation, Paddle-Shaped, Two Fibres A foundation brush designed to create a flawless look with an even finish. Works with any emollient formula, including Mineralize foundations and concealers. A blend of synthetic and natural fibres molded into a sturdy paddle shape. The thick, natural fibres allow for good pick-up and release of product, while synthetic fibres blend and diffuse product onto the skin for a soft look. M·A·C professional brushes are hand-sculpted and assembled using the finest quality materials. They feature wood handles and nickel-plated brass ferrules.