E55 Eye Shading Brush. Benefits: Function: Evenly apply color across the lid. Unique Feature: Soft, dense bristles. Recommended Use: Press and swipe color onto the lid for an even application of product. Coverage: Medium to Full. Features: 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. :