A professional, fast-drying styling brush  Unique square shape allows you to both smooth & add shape, when desired  Exclusive HeatFlex™ bristles bend & flex to effortlessly detangle & remove knots with less pain & breakage  Ultra-soft nylon bristles smooth the cuticle & enhance shine without pulling or snagging  Aero Technology™ open barrel design allows maximum airflow & speeds drying time  Uses proprietary VitaBoost Complex of biotin & keratin to strengthen hair & reduce frizz  Ergonomic, rubberized EasyGrip™ gives more comfort & control, even when hands are wet  Renders a perfect blow-out with less pain, effort & damage 