Sigma Beauty F43 Soft Angled Cheek Brush in Beauty: NA. Sigma Beauty F43 Soft Angled Cheek Brush in Beauty: NA. Get your glow on with this gently angled face brush designed to provide soft, natural-looking dimension with your favorite liquid or cream blush, highlight, bronzer, and more!. Vegan and cruelty-free. Sculpt the cheeks for soft dimension Exclusive synthetic antimicrobial fibers. Durable + corrosion-resistant SigmaAlloy™ Precious metal plating for shine + strength. Solid polymer-based handles are waterproof. SGBY-WU84. F43. 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.