What it DoesOval Brush DesignThis unique shape features gently curved sides for smoothing the hair, while the round edges create volume at roots and beautifully curled ends, resulting in gorgeous styles in just one step.Less Time, Less DamageDesigned to distribute air quickly and evenly to the hair to dry and style faster for less heat damage.Mixed BristlesNylon pin bristles with comfortable ball tips to softly detangle hair. Mixed nylon pin and boar bristles help grip hair on curved edge for im Revlon Hair Dryer Brush Blowout, Revlon Hair Dryer Comb, Revlon Hair Dryer Brush Plus, Round Brush Blow Dryer, Revlon One-step Hair Dryer & Volumizer Hot Air Brush, Home Movie Projector, Revlon Hair Dryer, Salon Blowout, Home Hair Salons