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Hair samples on washing line

The engineering story

A 1,010-mile journey. To understand the science of hair.

James Dyson holding motor

"Hair dryers shouldn’t damage hair. With our technology, we knew we could do better."

James Dyson

Testing the water.

To understand how to look after hair, we dug deeper into its hydrophobic properties. We found that damaged hair absorbs water more quickly than healthy hair, which can weaken it. 

Play the video: Find out about the science behind the Dyson supersonic hairdryer
PLAY
Vintage and competitor hair dryers

Hair dryers haven’t changed much since the ‘60s.

Conventional hair dryers were being held back by big, bulky motors. And with extreme heat for styling, could cause irreversible damage to hair. We weren’t willing to accept convention.

Dyson Supersonic hair dryer disassembled in lab

1,010 miles of hair. 103 specialists. One purpose.

Straight, wavy, coiled, curly. 1,010 miles of real hair went through our purpose-built labs. Our specialist team of trichologists, engineers and stylists looked at everything from airflow dynamics to hair’s cellular structure, to understand thermal, mechanical and chemical damage, and their effect on hair health.

Hair strand under microscope

Damage can be invisible. But not to us.

We found that damaged hair doesn’t always look it. Over time, extreme heat affects the cortex, making hair weak, brittle and easier to break. Sustained cuticle damage drastically reduces hair’s ability to reflect light, affecting shine. We had to find a way to dry without extreme heat.

"Our testing showed a clear correlation between healthy and shiny hair. To keep hair looking healthy, it has to be protected from extreme heat."

Clare Smith

Dyson Research Scientist
Dyson Supersonic hair dryer technology cutaway

Staying cool.

Temperatures above 150°C cause irreparable damage, so we developed Intelligent Heat Control. Adding a glass bead thermistor in front of the heating element meant we could measure the exit airflow temperature 20 times every second, and prevent temperatures exceeding 150°C.

Dyson Supersonic hair dryer side view lab test

Powerful airflow. Controlled heat.

We found that effective – and safe – drying requires controlled heat balanced with powerful air. Only the Dyson digital motor V9 had the power to dry hair fast, without relying on extreme heat. And because it’s so small, it could fit in the handle, allowing a better balance in the hand.

Dyson Supersonic hair dryer prototypes

Fail. Fail again. Fail better.

We built 600 prototypes, 599 of them failures. But each one taught us something: how we could make it better. Every iteration was an improvement. Every prototype closer to a revolutionary invention.

Million euros invested in hair research

Miles of hair tresses analysed

Months in development

Dyson engineers assigned to the project

Hair dryer front view

Dyson Supersonic™ hair dryer.

Engineered from the inside out, with hair science at its core, the Dyson Supersonic™ hair dryer redefines haircare. Four years of development have put an end to extreme heat damage. For good.

Choose your model

  • The Dyson Supersonic™ hair dryer styling edition

    Powerful digital motor. Designed for fast drying

    2031 Reviews

    7 accessories included See all Hide Click to learn more

    Paddle Brush

    Smooths hair during blow-drying, with a large bristle-bed for fast and efficient brushing.

    Dyson Supersonic Detangling Comb

    Glides through wet or dry hair, detangling with minimal friction.

    Smoothing nozzle

    Dry and style your hair at the same time with gentle, low-velocity airflow

    Styling concentrator

    Style your hair one section at a time with precise, controlled airflow

    Diffuser

    Disperses air evenly to simulate natural drying, helping to reduce frizz.

    Storage hanger

    Non-slip mat

      €399.00
      Learn more
    • Exclusive to dyson.ie
      Dyson Supersonic™ hair dryer Black/Purple, with black case

      Powerful digital motor. Designed for fast drying. Black case with purple stitching.

      2031 Reviews

      6 accessories included See all Hide Click to learn more

      Black presentation case

      Smoothing Nozzle

      Dry and style your hair at the same time with gentle, low-velocity airflow

      Styling concentrator

      Style your hair one section at a time with precise, controlled airflow

      Diffuser

      Disperses air evenly to simulate natural drying, helping to reduce frizz.

      Storage hanger

      Non-slip heat mat

        €399.00
        Learn more
      • Dyson Supersonic™ hair dryer Iron/Fuchsia, with platinum bag

        Powerful digital motor. Designed for fast drying. Platinum storage bag

        2031 Reviews

        6 accessories included See all Hide Click to learn more

        Smoothing nozzle

        Dry and style your hair at the same time with gentle, low-velocity airflow

        Styling concentrator

        Style your hair one section at a time with precise, controlled airflow

        Diffuser

        Disperses air evenly to simulate natural drying, helping to reduce frizz.

        Storage hanger

        Non-slip mat

        Platinum bag

          €399.00
          Learn more
        • Dyson Supersonic™ hair dryer Black/Nickel

          Powerful digital motor. Designed for fast drying.

          39 Reviews

          5 accessories included See all Hide Click to learn more

          Smoothing Nozzle

          Dry and style your hair at the same time with gentle, low-velocity airflow

          Styling concentrator

          Style your hair one section at a time with precise, controlled airflow

          Diffuser

          Disperses air evenly to simulate natural drying, helping to reduce frizz.

          Storage hanger

          Non-slip heat mat

            €399.00
            Learn more
          • The Dyson Supersonic™ hair dryer 23.75 karat gold

            Powerful digital motor. Designed for fast drying. In 23.75K gold.

            6 accessories included See all Hide Click to learn more

            Smoothing Nozzle

            Dry and style your hair at the same time with gentle, low-velocity airflow

            Styling Concentrator

            Style your hair one section at a time with precise, controlled airflow

            Diffuser

            Disperses air evenly to simulate natural drying, helping to reduce frizz.

            Storage hanger

            Non-slip mat

            Red Gesso presentation case

            Red 'Gesso' presentation case developed by James Dyson

            €499.99
            Learn more
          Compare
          Dyson Supersonic™ hair dryer on a bed

          Give guests an exclusive styling experience, in the comfort of their own room.

          See hair care for hotels and leisure

          Direct from Dyson

          Price match promise

          Prices matched daily

          Free next-day delivery

          If ordered by 6pm

          Money back guarantee

          Free 30-day return policy

          2-year guarantee

          Activated automatically

          Price match promise

          Dyson Price Promise

          Our prices are checked and matched daily, so you can be confident you’re getting the best price by purchasing direct from Dyson.

          -  If you find a lower price at qualifying retailers within 7 days of purchase, we’ll refund the difference.

          -  Contact our Customer Service team on 01-475-7109
          to get started.

          Selected retailers. terms and conditions apply.

           

          Free next-day delivery

          Free next-day delivery

          On orders placed before 6pm. Monday - Friday.

          Scheduled delivery

          Pick a day that suits you. Free options available.

          Free returns

          You may cancel your order at any time up to 30 days after receiving the goods by calling us on 01-475-7109 or emailing askdyson.ie

          Please see our Terms and conditions for more detail.

          Money back guarantee

          30-day money-back guarantee

          We offer a 30-day returns policy, in case you change your mind. On vacuums, hair care, lighting, purifiers, fans and heaters only.

          1. If you change your mind, you may cancel your order up to 30 days after receiving your machine.

          2. To cancel, please contact us by:

              Phone: 01-475-7109

              Email: askdyson@dyson.ie

          3. Our Customer Service team will then arrange to collect your machine, free of charge.

          2-year guarantee

          2-year guarantee

          We don't stop caring about our machines once they're yours. We offer a guarantee on parts and labour.

          2-year guarantee on:

          -  Cordless vacuums;

          -  Hair dryers;

          -  Purifiers, fans and heaters.

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          Register your guarantee automatically when buying direct.

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