Due to its flat and tapered shape, the Fluid Foundation Brush enables fluid foundation to be spread and smoothed for a perfectly even application. Its straight, synthetic, incomparably soft bristles were specifically designed and selected to provide perfect affinity with foundation to create a custom make-up result. Sisley worked with Raphaël, French master brushmaker since 1793, to develop make-up accessories to bring out the very best results in Sisley products. With the brush's function noted on the handle, there is no chance of using the wrong one.