The Sleek® Finishing Brush makes brushing a breeze! This wooden brush features an iconic mix of pure boar and nylon bristles, crafted to smooth and slick hair and promote shine, while preventing frizz. This Sleek Finishing Brush has an ideal combination of natural and synthetic bristles. It contains 20 percent natural boar bristles to help distribute scalp oils throughout your hair. It also has 80 percent nylon, which will assist with detangling. The bristles in the Sleek hair brush work together effectively to help you look your best.