What it is: A synthetic-bristle brow brush with an angled, firm head that provides medium-to-full coverage. What it does: Ideal for use with powder and cream products, this brush is designed to define your brows.How to use: Use to apply your brow product using a sketching motion to achieve a hair-like effect. Style Name:Sigma Beauty E75 Angled Brow Brush. Style Number: 5038829. Available in stores.