Our company, DSXL Co., has long been involved in the study of FIR and negative ion for medical use.As a result of our stury, we finally succeeded in development of a portable device.Two kinds of applications were made - one is for the hair dryer and the other for associate-medical equipment. Our device was already approved by Korea Food and Drug Administration (Certificatyion No.5600) as a medical equipment.Our hair dryer is quite different from the general electric-heating hair dryers. It has a superiority on hair health as using Infrared halogen heater. No electrical heating wire is used for the product at all. And our dryers has been introduced to Korea, Japan, Germany and some parts of Europe. Of course, our dryers have been certified by European Standard, CE & Japan Standard, JQA.