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A hair dryer, hairdryer[1] or hair dryer can be an electromechanical device that blows ambient or heat over damp hair to speed the evaporation of water to dry the hair. Blow dryers permit better control over the condition and design of hair, by accelerating and controlling the forming of non permanent hydrogen bonds within each strand. These bonds are powerful (allowing better hair shaping compared to the sulfur bonds formed by everlasting waving products) but are momentary and extremely susceptible to humidity. They disappear with an individual washing of the hair.

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as of May 25, 2022 9:05 pm
as of May 25, 2022 9:05 pm
as of May 25, 2022 9:05 pm
as of May 25, 2022 9:05 pm
Last updated on May 25, 2022 9:05 pm

The normal make use of a hair dryer
Hairstyles using blow dryers will often have volume and discipline, that can be further improved with styling products, hairbrushes, and combs during drying to include tension, hold and lift.

Blow dryers were invented in the late 19th century. The first, stationary, model was made by Alexander F. Godefroy in his salon in France. The handheld, household hair dryer first appeared in 1920. Blow dryers are being used in beauty salons by professional stylists and in family members by consumers.


An early on blow dryer
Most hair dryers contain electric heating coils and a fan (usually powered by a universal motor). The heating factor generally in most dryers is a bare, coiled nichrome wire that’s wrapped around mica insulators. Nichrome can be used as a result of two important properties: This is a poor conductor of electricity and it generally does not oxidize when heated.[2]

A survey of stores in 2007 showed that a lot of hair dryers had ceramic heating factors (like ceramic heaters) as a result of their “instant heat” capability. This signifies that it requires less time for the dryers to heat up and for the hair to dry.[3]

Girl under beauty salon hair dryer, 1958
A number of these dryers have “normal mode” buttons that switch off the heater and blow room-temperature air as the button is pressed. This function really helps to keep up with the hairstyle by setting it. The colder air reduces frizz and will help promote shine in the hair.

Many feature “ionic” operation, to lessen the build-up of static electricity in the hair,[4] although efficacy of ionic technology is of some debate.[5] Manufacturers claim this makes the hair “smoother”. Some stylists[who?] consider the introduction of ionic technology to be among the main advances in the wonder industry.