Who Invented the Hair Dryer? A History from Salon Hoods to Handhelds

The hair dryer is so ordinary that it barely seems to have a history. It sits in a bathroom drawer, hums for a few minutes each morning and is forgotten. Yet its story connects some of the biggest changes in modern life: the spread of electricity into homes, the rise of professional salons, new short hairstyles for women, the invention of light plastics and, eventually, consumer safety law.

Before the dryer

For most of human history, hair dried in the air, by the fire or in the sun. Wealthy people might have servants to towel and comb their hair, and elaborate styles were often set while damp and left to dry for hours. Long hair, which was standard for women in the Western world until the 1920s, could take a very long time to dry completely ^[2]. That inconvenience is one reason hair was washed far less often in the past than it is today, a subject we explore in our Journal story on dry shampoo in 1910.

Godefroy's salon dryer

The first machine designed specifically to dry hair is usually credited to the French hairdresser Alexandre-Ferdinand Godefroy. Sources differ slightly on the date, with some giving 1888 and others 1890, but they agree on the essentials. Godefroy's invention was a large, seated device with a bonnet or hood that was connected to the chimney pipe of a gas stove, so that warm air could be directed over a client's head ^[1]. He designed it for use in his own salon in France. It was not portable, and the client had to sit underneath it.

That basic idea, a client seated under a hood of warm air, would define professional salon drying for the next century. The modern salon hood dryer is a direct descendant of Godefroy's machine.

The first American patent

In the United States, the Armenian American inventor Gabriel Kazanjian is credited with the first patent for a hair dryer, in 1911 ^[1]. Early twentieth-century inventors experimented with various ways of moving warm air, and some households even adapted the exhaust of early vacuum cleaners to blow air over hair, a practice mentioned in histories of the device. What all these early solutions lacked was a small, efficient electric motor and heating element that could fit in the hand.

Handheld dryers arrive

Around 1920, handheld hair dryers began to appear on the market. Manufacturers including National Stamping and Electric Works, under its White Cross brand, and later the Racine Universal Motor Company and the Hamilton Beach company, developed motors small enough to make a dryer that could be held ^[1].

These early handhelds were far from the light tools we know today. They were heavy, often made of metal, and difficult to use for long. They also had serious problems with overheating and with electric shock, and their low power meant that drying a full head of hair took a long time ^[1]. Even so, they were transformative. For the first time a woman could dry her hair at home with an electric appliance.

Timing helped. The 1920s were the decade of the bob, when many women cut their hair short for the first time ^[3]. Shorter hair dried faster and suited the limited power of early dryers. Electricity was also spreading into homes, and the new appliance joined electric irons, toasters and vacuum cleaners as symbols of modern living.

Bonnets and hoods in the 1950s

The next big change came after the Second World War. In 1951 the bonnet dryer was introduced to consumers. It consisted of a small portable box containing the motor and heater, connected by a tube to a soft bonnet with holes in it that could be placed over the head ^[1]. The bonnet spread warm air evenly over hair set on rollers, which suited the curled and set styles of the decade, and it allowed women to move around, or at least sit comfortably at home, while their hair dried.

The 1950s also saw the rigid-hood dryer, the large hard plastic helmet that wraps around the head and is still the type most often seen in salons ^[1]. It works on the same principle as the bonnet but at much higher power. Rows of hood dryers became a defining image of mid-century beauty salons, where women sat for their weekly wash and set.

Plastic, power and the blow-dry

Since the 1920s the basic mechanism of the hair dryer, a motor driving a fan that blows air over a heating element, has changed surprisingly little ^[1]. What changed was materials, power and design. In 1954 the company GEC moved the motor inside the casing, a change that shaped the familiar pistol form ^[1]. In the 1960s better electric motors and improved plastics made dryers much lighter and easier to handle ^[1].

Those lighter, more powerful dryers made a new kind of hairstyling possible. Instead of setting hair on rollers and sitting under a hood, stylists could shape hair directly with a brush and a handheld dryer. The blow-dry became central to the looser, more natural styles of the late 1960s and 1970s, and to the voluminous looks of the 1980s. Professional blow-drying became a skill in its own right.

Safety and regulation

The early dangers of hair dryers never fully disappeared, because water and electricity meet in bathrooms. In the 1970s the US Consumer Product Safety Commission set up guidelines that hair dryers had to meet to be considered safe ^[1]. Since 1991 the commission has required hair dryers sold in the United States to include a ground fault circuit interrupter, a device that cuts power if the appliance comes into contact with water ^[1]. That is why many modern dryers have a bulky plug with test and reset buttons.

Modern dryers also include thermal cut-off switches that stop the heater if the device gets too hot, along with multiple heat and speed settings ^[1]. Ionic and other specialised models, diffusers for curls and concentrator nozzles for sleek styles are recent refinements on a very old idea.

How a dryer changes hair

A hair dryer does more than remove water. As hair dries, temporary hydrogen bonds form within each strand, and those bonds hold the shape the hair is in while it dries. That is why a brush and dryer can straighten, curl or add volume. The effect is temporary and vulnerable to humidity, and it disappears when hair is washed again ^[1].

Heat also has a cost. Very hot air held close to the hair for long periods can damage the cuticle and leave hair dry and brittle. Most hairdressers recommend using moderate heat, keeping the dryer moving and holding it a little away from the head. Readers interested in how heat affects the hair shaft and scalp can find educational material on hair health from the trichology community at https://trichology.com.

The hair dryer in one timeline

The story can be summarised in a few dates. In the late 1880s or 1890 Godefroy created a seated salon dryer. In 1911 Kazanjian received the first US patent. Around 1920 the first handheld electric dryers reached the market. In 1951 consumer bonnet dryers appeared, followed by rigid salon hoods. In the 1960s plastic and better motors made handhelds light and practical. And from 1991 US dryers were required to include ground fault protection ^[1]. Each date reflects a broader change in how people lived, worked and wore their hair.