This hair dryer centers on “functional visualization under minimalism”. It features a streamlined body and hidden essence bottle, along with an OLED display, annular light interaction, and TOF sensor, perfectly combining function with aesthetics. The millimeter-wave radar, phototherapy atomization fusion system, and high-speed motor make it quickly dry hair while enabling deep scalp repair. The sun-textured back cover aesthetically interacts with the OLED display, which shows air temperature, wind speed, and gear settings in real time. The TOF distance thermostat in the air outlet center auto-controls temperature by detecting scalp distance. The back cover’s annular light display dynamically maps air temperature changes across distances via color gradients, preventing localized overheating and scalp damage.