The dense, wide brush ensures universal eyeshadow application with medium coverage. Sigma Beauty brushes boast hand-crafted SigmaTech and Sigmax synthetic fibers, antimicrobial to safeguard skin. Handles are responsibly sourced wood, coated with eight layers for durability. SigmaAlloy ferrules, made from a special metal alloy, are antimicrobial, corrosion, and water-resistant, completing the sleek design.