It's normal to burn after using it for a long time. It may be that electric energy is converted into a part of heat energy. However, if it is too hot, it will be accompanied by a burning smell. You should turn off the power immediately, it may be that the parts are aging. It is recommended to contact after-sales service.
The quality of Dyson hair dryer is excellent, and some highlights are mastered by Dyson, which is beyond the reach of other ordinary hair dryers. For example, the motor used, AirAmplifier airflow multiplication technology, intelligent temperature control technology and so on are all patented technologies of Dyson, which are world-class level. This patented technology is not available in other countries. Other spare parts are also first-class, and the manufacturing process is improving, and all aspects will be taken into account.