Your new favorite for blending, use this soft, SigmaTech® fiber brush to diffuse color on the lid or in the crease. Function: Soften + blend harsh color lines Unique Feature: Round, soft brush head 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