Sigma F80 Air Flat Kabuki - Sigma\'s iconic, best-selling brush reimagined. Get lightweight, buildable coverage with feathery soft duo-fiber bristles for a natural finish. Unique Feature: Soft, wispy duo fibers. Function: Buffed or stippled product application. Recommended Use: Blend liquid or cream products onto flat areas of the face such as the forehead and cheeks. Coverage: Sheer to medium. Fibers: Exclusive synthetic antimicrobial fibers. Engineered to better hold, apply + blend product. Ferrules: Patent-pending interlocking handles with double-threaded engineering for incredible strength + durability. Handles: Solid, polymer-based handles are water-resistant. Outlasts all product formulas + frequent brush care.