Advanced Nano Technology. PTC ceramic heating element to vaporize water. High frequency ultrasonic vibration for sterilization. Ultraviolet lamp to kill germs bacteria and like UV releases ozone, energizes and ionizes steam produce visible strong steam instantly. The Facial and Hair Steamer is a 2-in-1 hair and skin care unit. Its tabletop design allows for easy personal care use at home. The steamer is composed of a clear water tank and a 360degree adjustable nozzle. An aroma pad can be placed on the nozzle for a different user experience, and the Ion function can be turned on or off. The hair cap is large enough to accommodate any head size and easy to use and assemble.