1. Home
  2. / Science and Technology
  3. / Goodbye traditional flat iron: Dyson Airstrait dries and straightens wet hair using heated airflow, without hot plates, and promises to reduce a two-device routine to a single device.
Reading time 5 min of reading Comments 0 comments

Goodbye traditional flat iron: Dyson Airstrait dries and straightens wet hair using heated airflow, without hot plates, and promises to reduce a two-device routine to a single device.

Written by Valdemar Medeiros
Published on 17/05/2026 at 11:17
Watch the video
Be the first to react!
React to this article

Dyson Airstrait uses heated airflow to dry and straighten wet hair without hot plates, combining a dryer and straightener in a single device.

Dyson introduced one of the most unusual beauty gadgets in recent years by launching the Dyson Airstrait, a device designed to dry and straighten hair simultaneously using only controlled airflow. Unlike traditional straighteners, the equipment does not use hot plates to press the strands, but high-pressure air jets directed at a precise angle to align the hair while removing moisture.

According to Dyson, the device was designed to work directly on wet hair, eliminating the need for a separate drying step before straightening. The proposal attracted attention because it attempts to replace two common household routine devices, a dryer and a thermal straightener, with a single system based on airflow engineering.

The launch also reinforced the British company’s strategy of applying technologies originally linked to motors, fluid dynamics, and thermal control to personal care products.

The Dyson Airstrait uses high-pressure airflow to dry and align strands simultaneously

The operation of the Dyson Airstrait is based on heated air jets projected at an angle of approximately 45 degrees along the strands. According to Dyson, this flow creates controlled tension in the strands while removing water and promoting hair alignment during the drying process.

Unlike conventional straighteners, the device does not rely on extremely hot plates directly compressing the hair. The company claims that the system was developed precisely to reduce continuous exposure to very high temperatures normally associated with traditional thermal straightening.

Watch the video
YouTube video

The equipment uses the Dyson Hyperdymium motor, designed to generate high-speed airflow within a relatively compact body. Thermal sensors constantly monitor the air temperature to prevent excessive overheating during use.

Dyson’s proposal is to combine a dryer and thermal straightener in a single usage step

One of the main promises of the Airstrait is to reduce the number of steps needed to straighten hair. In traditional routines, many people first completely dry their hair using a dryer and then use a straightener to align and reduce waves.

In the new system, Dyson claims that the process can happen simultaneously. The damp hair is positioned between the arms of the device while the airflow removes the water and directs the strands to a more aligned position.

According to the company, the device has specific modes for wet and dry hair, as well as different temperature and airflow speed settings. The goal is to adapt the operation for different hair types and moisture levels.

The proposal attracted attention because it transforms a process normally divided into multiple tools into a single electronically controlled step.

Dyson claims that the device reduces thermal damage associated with conventional flat irons

The British company highlights that the Airstrait was developed to minimize exposure to extreme temperatures often found in traditional straighteners. Many flat irons operate above 200 °C, while the Airstrait works with continuous control of heated airflow.

YouTube video

According to Dyson, internal sensors monitor the temperature dozens of times per second to maintain thermal stability. The company claims this helps reduce damage associated with repetitive overheating of hair fibers.

The brand’s discourse relies on a growing trend in the beauty industry: developing devices that try to balance hair styling with less thermal aggression to the strands.

Even so, hair care specialists note that any process involving heat can cause some level of structural alteration in the hair depending on the frequency of use, thermal intensity, and condition of the strands.

The Hyperdymium motor is one of the central pieces of the technology used by Dyson

The Dyson Airstrait uses the Hyperdymium motor, a technology developed by the company to generate high airflow speed in compact dimensions. According to Dyson, the motor spins at extremely high speeds to produce sufficient pressure capable of aligning the strands without the need for traditional heated plates.

The same concept had already been used by the company in devices like the Supersonic hair dryer and the Airwrap styler. The difference in the Airstrait lies in the shape of the airflow and the attempt to combine drying and straightening simultaneously.

YouTube video

The engineering of the device directly depends on aerodynamic control. Instead of physically pressing the hair, the system tries to use the behavior of the air itself to guide the strands in a certain direction.

This type of approach differentiates Dyson from conventional manufacturers who traditionally focus more on thermal resistance and heated surfaces.

The device reignited the debate about practicality, time, and thermal damage in the domestic routine

The Airstrait’s proposal gained traction mainly among consumers interested in reducing routine time. By promising to dry and straighten simultaneously, the device attempts to address a very common demand related to domestic practicality.

Another important factor is the growing concern about damage caused by excessive heat. Many people have started seeking alternatives that reduce prolonged exposure to high temperatures during frequent hair styling processes.

Dyson bets precisely on this combination of convenience, engineering, and damage reduction to justify the product’s premium positioning.

At the same time, the high price and technological focus reinforce that the device was primarily designed for the premium consumer segment and not to compete directly with entry-level conventional flat irons.

The Dyson Airstrait shows how even simple everyday tools are being redesigned with motors, sensors, and airflow engineering

For decades, flat irons worked basically on the same principle: two heated plates pressing the strands to temporarily alter their structure. The Airstrait tries to break this logic by replacing direct thermal contact with high-speed aerodynamic control.

The idea of using only airflow to align wet hair seemed unlikely a few years ago, but the advancement of compact motors, thermal sensors, and electronic control allowed the creation of a system that combines drying and styling in a single device.

The result is a device that seems closer to a technological gadget than a traditional flat iron. And this helps to show how even common household tasks are entering a new phase dominated by automation, sensors, and advanced engineering applied to everyday life.

Sign up
Notify of
guest
0 Comments
most recent
older Most voted
Built-in feedback
View all comments
Tags
Valdemar Medeiros

Graduated in Journalism and Marketing, he is the author of over 20,000 articles that have reached millions of readers in Brazil and abroad. He has written for brands and media outlets such as 99, Natura, O Boticário, CPG – Click Petróleo e Gás, Agência Raccon, among others. A specialist in the Automotive Industry, Technology, Careers (employability and courses), Economy, and other topics. For contact and editorial suggestions: valdemarmedeiros4@gmail.com. We do not accept resumes!

Share in apps
Go to featured video
0
I'd love to hear your opinion, please comment.x