188 Small Duo Fibre Face Brush For All Formulas, Flat-Topped, Two Fibres A flat-topped, full circular brush used for the lightweight application and blending of any colour formula – fluid, cream, powder or pigment. Works especially well with all Mineralize products. Ideal for creating soft layers or adding textures. Made from a soft blend of goat and synthetic fibres. M·A·C professional brushes are hand-sculpted and assembled using the finest quality materials. They feature wood handles and nickel-plated brass ferrules.