Helt ny double ended brow Brush fra Brush Works A dual-ended eyebrow brush. Get the perfect arch every time with the Brushworks Brow Duo Brush. This dual-ended brush features two brushes that help to fill in and shape your brows. Used the angled end to create natural, hair-like strokes, whilst the thicker end can be used to fill in larger areas, carve out the arch with concealer, or apply highlighter to the brow bone. Cruelty-free