For precise and uniform powder distribution, the angle end of this essential tool is the first brow brush made with 100% DuPontTM Natrafil® filaments, a synthetic alternative to animal bristles. Kelley designed the precise thickness, stiffness and angle to create a reliable, durable and user-friendly powder brush.Proven performance. Tests have shown that powder brushes made with Natrafil® filament rival and even exceed the pick up and release performance of brushes made with animal hair, and Natrafil® filaments perform better than any. Angle brush is for perfect product placement and defining the brow. Key for precise lines. Why Natrafil®? Natrafil® filaments offer a synthetic alternative to animal bristles in cosmetic products. This unique composite provides a soft feel along with precise pick up and release performance for a cleaner makeup effect. Natrafil® technology includes a texturing process to create a soft but structured surface that picks up powder easily, and a tipping process that optimizes release performance, so powder applies precisely. How To Use: Lightly tap brush into powder, to pick up product. Use soft strokes for a natural look. Flip to spooly side to soften product and blend into the brow. Tip From Kelley: For proper brush care, store with plastic sleeve on angled side to keep firm shape.