This proactive approach effectively prevents extreme heat damage, preserving the natural shine of your hair..Lightweight and balanced: Dyson has turned convention on its head and put the motor in the handle, completely rebalancing the dryer's weight and shape. Supersonic Hair Dryer - Special Edition Intelligent heat control sets it apart: Unlike other models, the Dyson Supersonic hair dryer continually monitors air temperature over 40 times per second, expertly regulating heat output.