Sigma Beauty F35 Tapered Highlighter Brush in Beauty: NA. Sigma Beauty F35 Tapered Highlighter Brush in Beauty: NA. A little glow goes a long way when applied with Sigma's F35 Tapered Highlighter Brush. Made with super soft SigmaTech fiber bristles, this small, tapered brush perfectly applies powder to the high points of the face with its precise tip, leaving a diffused and natural glow.. Exclusive synthetic, antimicrobial fibers engineered to better hold, apply, and blend product. Durable, corrosion-resistant SigmaAlloy ferrule with precious metal plating for shine and protection. Responsibly sourced, lightweight wood handle with 8 coats of paint and primer for long-lasting quality. Cruelty-free. Apply highlighting shades onto the upper contours of the face. FREE 2-year warranty on Sigma brushes and brush care gadgets. For conditions and exclusions please visit SigmaBeauty.com. SGBY-WU3. F35 1. Sigma Beauty's drive to better your beauty routine sets the foundation for every product creation. They're looking to you and your everyday for inspiration, then infusing the highest-quality materials, ingredients and technology to build solutions you'll revel in. Every innovative beauty tool, texture, formula and cosmetic color makes your life easier, more fun and uniquely-beautiful.