... -2306 is combine with ultrasonic and infrared new technology. 1, Ultrasonic The 36kHz ... ultrasoni T-2306 is combine with ultrasonic and infrared new technology.1, UltrasonicThe 36kHz ultrasonic is ... However, it's more effective to do with infrared. Compare with hot haircare treatment, it's ... .2,InfraredThe 680 nanometers(68,000Hz) wavelength infrared and hair protein make new aminoacid by photosynthesis ...