A lightweight eyeshadow brush that blends the desired product onto the lids. Ideal for crafting a smokey effect, E25 Blending Brush boasts semi-firm bristles that remain gentle on the skin without compromising on finish. Sigma Tech® Fibers - Sigma Beauty\'s exclusive selection of high performance synthetic fibers engineered to outperform traditional animal hair. Features technologically advanced filaments with specialized tips developed to hold and deliver cream and powder products without any absorption into the bristles. Built to last, Sigma Tech® fibers are antibacterial, hypoallergenic, and will maintain their original shape and color even after multiple washes. Recommended Use: Blend colors together onto the lid with added control. Buff out harsh lines for a well-blended effect. Features: Unique Feature: Slightly firm and rounded brush head Function: Controlled blending WINNER of Nylon\'s 2015 Beauty Hit List! Cruelty Free Exclusive Sigma Tech® Fibers Directions: Blend the desired product onto the eyes How To Clean Sigma Brushes 1 Wet Wet the bristles of your makeup brushes under warm water. Avoid unnecessarily wetting the ferrule and handle. This can damage and losen the fibers and ferrule of the brush over time. 2 Wash Add a small amount of cleaning solution to makeup brush bristles. Using the textures of your Sigma Spa brush cleaning tool, swirl brush on the WASH texture to deep clean. 3 Rinse Continue to hold the brush downward, place makeup brush under running water and sweep brush back and forth on the RINSE texture on your Sigma Spa gadget. Repeat steps two through three until the water runs clear. 4 Squeeze Gently squeeze brush bristles with hand, microfiber towel or paper towel to remove excess water.