$499
Dyson Hair Dryers
Intelligent Heat Control Technology in Dyson Hair Dryers
The Dyson Supersonic measures air temperature over 40 times per second using a glass bead thermistor. This sensor data feeds to an onboard microprocessor that regulates heating element output, preventing temperatures from exceeding safe thresholds. The system maintains consistent heat delivery without the dangerous spikes common in conventional dryers.
Excessive heat weakens the protein bonds in hair strands, leading to brittleness and breakage over time. By capping maximum temperatures while maintaining strong airflow, the Dyson blow dryer achieves fast drying without compromising hair integrity.
Heat control specifications
Glass bead thermistor measures temperature 40+ times per second
Microprocessor adjusts heat output in real-time
Maximum temperature capped to prevent damage
Four heat settings plus a cold shot for setting styles
The Dyson hair care range buying guide explains how this technology compares across different Dyson styling tools.
Styling Attachments To Use with Dyson Hair Dryers
Each Dyson hair dryer ships with multiple magnetic attachments designed for specific styling tasks. The Smoothing Nozzle creates a wide, gentle airflow for smooth drying on straight styles. The Styling Concentrator delivers a high-velocity blade of air for precise section work and shaping.
The Diffuser disperses air evenly to simulate natural drying, ideal for curls and waves that lose definition under concentrated airflow. The Gentle Air attachment reduces airflow speed for fine hair and sensitive scalps.
Popular attachment options:
Smoothing Nozzle: Wide airflow for general drying and smoothing
Styling Concentrator: Focused air for precision styling and finishing
Diffuser: Even distribution for curls, coils, and waves
Gentle Air Attachment: Reduced velocity for fine or delicate hair
Certain editions include additional attachments like the Flyaway Attachment, which uses the Coanda effect to hide flyaways and create a smooth finish. The guide to must-have Dyson tools for frizz-free styling covers attachment techniques in detail.
The Motor Power and Airflow Design of Dyson Hair Dryers
The Dyson digital motor V9 sits in the handle rather than the head, shifting the dryer's centre of gravity for better balance during extended use. Spinning at 110,000 rpm, this motor generates 13 litres of airflow per second - enough force to dry hair rapidly at lower temperatures than traditional dryers require.
Positioning the motor in the handle reduces wrist strain and allows for a more compact head design. The motor's small size and high efficiency mean powerful performance without excessive weight. Motor specifications include:
Dyson digital motor V9
110,000 rpm maximum speed
13 litres of air per second
Handle-mounted for improved balance
This airflow volume explains why the Dyson Supersonic hair dryer achieves professional results at home without the bulk of salon equipment.
Reducing Frizz and Enhancing Shine with Dyson Hair Dryers
Frizz occurs when hair cuticles lift and absorb moisture from the surrounding air. The controlled heat and powerful airflow of a Dyson blow dryer helps seal cuticles flat during drying, locking in moisture and creating a smoother surface that reflects light more evenly.
Techniques for Maximum Shine
Directing airflow down the hair shaft from root to tip encourages cuticles to lie flat. Using the cold shot at the end of styling sets the cuticle in place, prolonging smoothness between washes.
The Flyaway Attachment, included with certain models, uses negative ions and the Coanda effect to wrap flyaway hairs around the main body of the style. This creates a polished finish without additional products or tools.
For styling techniques that minimise frizz across different hair types, the best hair dryer guide provides practical recommendations.
Magnetic Attachments and Ease of Use
Every Dyson hair dryer attachment connects magnetically, allowing instant swapping mid-style without fumbling with clips or locks. The magnets hold firmly during use but release with a gentle pull, making transitions between drying and styling seamless.
Magnetic attachments rotate 360 degrees, enabling angle adjustments without repositioning your grip on the dryer. This flexibility proves particularly useful when styling the back sections of your own hair or working around awkward angles.
The Dyson Supersonic works across the full spectrum of hair types, from fine and straight to thick and coily. Variable speed and heat settings allow you to customise airflow intensity and temperature for your specific hair characteristics.
Recommended settings by hair type:
Fine/thin: Low heat, medium speed, Gentle Air attachment
Medium/normal: Medium heat, high speed, Smoothing Nozzle
Thick/coarse: High heat, high speed, Styling Concentrator
Curly/coily: Medium heat, low speed, Diffuser attachment
Pairing the Supersonic with straighteners and curlers allows for complete styling routines across all hair types.
Heat damage occurs when hair is exposed to temperatures above 150°C for extended periods. The Dyson Supersonic's intelligent heat control maintains temperatures below this threshold while compensating with increased airflow velocity — drying hair quickly without the damaging heat spikes of conventional dryers.
Hair's structural protein, keratin, begins to degrade at high temperatures. By measuring and adjusting heat output 40 times per second, the Supersonic prevents localised overheating even when the dryer is held in one position. Protective features include:
Real-time temperature monitoring and adjustment
Maximum heat capped below damage threshold
High airflow reduces reliance on heat alone
Cold shot option for heat-free finishing
This approach explains the Dyson hair dryer price differential — the engineering required for precise heat regulation represents a significant investment in hair health technology.
Dyson does not recommend using the Supersonic with voltage converters or transformers. Each unit is engineered for specific electrical systems, and voltage conversion can interfere with the motor's performance and heat control sensors. Using a converter may void warranty coverage and could damage the dryer.
For frequent international travellers, Dyson manufactures region-specific models with appropriate voltage ratings. Australian models operate on 220-240V and work in countries with compatible electrical systems using only a plug adapter - no voltage conversion required.
The Smoothing Nozzle and Styling Concentrator serve distinct purposes despite similar appearances. The Smoothing Nozzle produces a wider, gentler airstream that covers more surface area — suited to general drying and creating smooth, straight styles with minimal effort.
The Styling Concentrator narrows airflow into a thin, high-velocity blade for targeted styling work. Use it for creating tension when blow-drying with a round brush, directing hair into specific shapes, or finishing sections with precision. Quick comparison snapshot:
Smoothing Nozzle: 14mm wide air blade, gentle and diffused, best for everyday drying
Styling Concentrator: 7mm wide air blade, focused and intense, best for precision styling
The Flyaway Attachment differs again, using curved surfaces and the Coanda effect to attract and wrap hair around the airflow for a polished finish without heat concentration on any single area.