Best Foundation Makeup Brush Sigma Beauty F80 Flat Kabuki Brush (£19, originally £25) The Sigma Beauty F80 Flat Kabuki Brush blends foundation onto your skin quickly and seamlessly. The dense bristles help to get a full-coverage look on your skin. Image Source: facethefuture.co.uk Sigma Beauty F80 Flat Kabuki Brush £19 from facethefuture.co.uk £25 £19 from facethefuture.co.uk Buy Now