Dyson Supersonic Hair Dryer (Nickel/Copper) 389920-01. Brand New with Box The Dyson Supersonic™ hair dryer is engineered to protect hair from extreme heat damage, with fast drying and controlled styling to help increase smoothness by 75%, increase shine by up to 132% and decrease frizz and flyaway by up to 61%. Magnetic styling attachments for easy fitting and 360° rotation. "All products are carefully packaged and ship same day or 24 hours of purchase Monday-Friday."