Fill in and shape your brows using your favorite gel or powder products with this classic SigmaTech® fiber brush. Function: Define eyebrows Unique Feature: Angled, firm edge HIGHEST-QUALITY FIBERS: Exclusive synthetic antimicrobial fibers Engineered to better hold, apply + blend products FERRULES WITH UNMATCHED STRENGTH: Durable + corrosion-resistant SigmaAlloy™ Precious metal plating for shine + strength Exclusive, patented interlocking technology Double-threaded engineering SLEEK, DURABLE HANDLES: Solid polymer-based handles are waterproof Outlasts all product formulas + frequent brush care