Introduction to hair dryer

The hair dryer is composed of a set of electric heating wires and a high-speed small fan. When energized, the heating wire will generate heat, and the wind blown by the fan will turn into hot air after passing through the heating wire. If only the small fan is rotating but the heating wire is not hot, then the air blowing out will be just wind but no heat.
The air blown by the hair dryer is dry air. If it is used for too long, it will easily cause moisture loss and cause thermal damage. The secret to minimizing the damage is to pat dry the moisture on the hair with a towel and gently use your hands. Comb your hair before using a hair dryer.