Experience the difference the Dyson Supersonic™ hair dryer can make to your hair at Dyson Demo. Book an appointment with our in-store professional stylist for complimentary wet or dry styling and advice on how to care for your hair. Experience the difference the Dyson Supersonic™ hair dryer can make to your hair at Dyson Demo. Book an appointment with our in-store professional stylist for complimentary wet or dry styling and advice on how to care for your hair. Experience the difference the Dyson Supersonic™ hair dryer can make to your hair at Dyson Demo. Book an appointment with our in-store professional stylist for complimentary wet or dry styling and advice on how to care for your hair.