Hair dryer

A hair dryer (the handheld type also referred to as a blow dryer) is an electromechanical device that blows ambient air in hot or warm settings for styling or drying hair.^[1][2] Hair dryers enable better control over the shape and style of hair, by accelerating and controlling the formation of temporary hydrogen bonds within each strand. These bonds are powerful,^[a] but are temporary and extremely vulnerable to humidity. They disappear with a single washing of the hair.

Hairstyles using hair dryers usually have volume and discipline, which can be further improved with styling products, hairbrushes, and combs during drying to add tension, hold and lift. Hair dryers were invented in the late 19th century. The first model was created in 1911 by Gabriel Ghazanchyan. Handheld, household hair dryers first appeared in 1920. Hair dryers are used in beauty salons by professional stylists, as well as by consumers at home.

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