Shop Chi Home Chi Nano Hair Dryer, from PUREBEAUTY Salon & Spa online at Macys.com. The Chi Nano Hair Dryer features a lightweight ergonomic design with a powerful 1,875W ceramic motor for faster styling. Its ceramic ionic technology generates negative ions that dry hair without damage, while helping seal in moisture and shine. It offers a dual air-intake system with two vents that help reduce drying time while producing a stronger air flow. Rapid Clean Technology: Nano Silver and Blue LED lights help kill bacteria, providing cleaner air.