Spectrum duo strobe though duo fibre 4 piece set if an airbrushed lightweight finish is your ultimate base goals say hello to your new favourite brushes the duo fibre set is perfect for the application and blending of liquid and cream products from primers and foundation to highlighter and blush the brush heads combine two lengths of synthetic taklon fibres for light and airy bristles this 4 piece set includes d01 duo fibre large stippler this large flat top brush is designed to pro