How Does A Hair Dryer Work?

Title: How Does A Hair Dryer Work?

URL Source: https://medium.com/@chengzhoushantian/how-does-a-hair-dryer-work-9f41178854e1?source=rss------machine_learning-5

Published Time: 2026-06-24T23:35:17Z

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# How Does A Hair Dryer Work?

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[Seishu](https://medium.com/@chengzhoushantian?source=post_page---byline--9f41178854e1---------------------------------------)

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1 min read

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First, the motor starts rotating when electricity comes from the power outlet.

A fan is attached to the shaft of the motor. As it rotates, it takes in air from outside.

Air from outside is warmed by a heating element while it flows to the nozzle.

Warmed air is blown out from the nozzle, and it dries hair by blowing away moisture.

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By the way, some hair dryers have a negative ion function. What does it do?

Hair can become charged with static electricity when it is dried or brushed.

By blowing negative ions onto the hair, a hair dryer reduces static electricity and keeps the hair from spread