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  Vita-Boost infused barrel & bristles coat hair with biotin & keratin with every stroke to strengthen & protect against damage  Ceramic barrel emits negative ions for shiny, frizz-free styles  Unique triangle shape allows you to get closer to the scalp to straighten & add bend, when desired 