BLOW DRIES, REINVENTED. Revolutionary 2-in1 Hair Dryer Brush NO HEAT DAMAGE: Sensors monitor the temperature 400x per second to ensure no heat damage whilst blow drying and styling wet hair. FOR EASY & SMOOTH BLOW DRIES WITH NO FRIZZ: Elliptical-shaped barrel plate effortlessly creates volume close to the root without frizz. 50% MORE SHINE: Heated bristles engineered in a lattice formation for a flawlessly smooth glide without tangling or breakage, enhancing your hair's natural shine with less flyaways. 24 HOUR-LONG LASTING RESULTS: With up to 50% more humidity resistance, ghd Duet Blowdry respects your hair's natural moisture for longer lasting styles.