CHI Ceramic Technology. The CHI brand has continued to grow and expand since this original model. FAR INFRARED. Deeper penetration from inside out resulting in 50% faster drying time. LOW EMF (ELECTROMAGNETIC FIELD) Regular blow-dryers emit up to 20,000 mG; CHI blow-dryers max 1.5 mG safer working environment with less frizz. CERAMIC - Ceramic creates negative ions that diffuse water molecules in micro-fine nano particles, improving moisture balance and shine, while reducing frizz and static electricity as well as drying time.