A hair dryer (or blow dryer) is an electromechanical device that blows ambient, warm, or hot air over wet hair. It accelerates water evaporation to dry hair quickly and enables controlled styling by temporarily altering the hydrogen bonds in hair strands.
How It Works
- Mechanism: Air is drawn in by a motorized fan and propelled over heated electrical coils.
- Evaporation: The expelled airflow speeds up water evaporation from the hair shaft.
- Temperature Control: Modern devices offer varying heat and speed settings to accommodate different hair types.
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