Clicking a link will take you to a retailer's website to shop, where available.

This is the manufacturer's recommended retail price.

This overall score is made up of performance (50%) and ease of use (50%).

The performance score is made up of drying rate (60%), airflow speed (20%) and temperature range (20%).

The ease of use score is made up of holding (25%), ease of styling (25%), ease of reading and understanding the markings (25%) and ease of operating the air speed and temperature controls while using the hair dryer (25%). 

This test measures how quickly each hair dryer will dry your hair. It accounts for 60% of the performance score.

This test measures the range of airflow speed at the lowest and highest speed settings, 15cm from the front of the air outlet. This accounts for 20% of the performance score. 

This test measures the range of temperatures at the lowest and highest settings, 15cm from the front of the air outlet. This test accounts for 20% of the performance score. 

We recommend hair dryers that score at least 80% overall. They must also score at least 70% for drying rate.

Provides a burst of cool air and is supposed to be good for setting a style in place.

This feature increases airflow through the hair dryer to speed up drying.

It’s said to dry hair faster, retain moisture to keep hair healthy and smooth and create less static to reduce frizz.

Is said to control the heat to provide even heat distribution and add shine while protecting hair from frizz and damage. 

Sliding switches are set in the handle and can be hard to use if they’re stiff, lack grip or don’t stick out enough. Rocker switches require you to push the raised end down. They can be easier to use but can be accidentally activated. 

This narrows and concentrates the airflow to where you want it. It's designed for spot-drying and controlled styling.

Is ideal for drying curly hair.

Models marketed as a travel hairdryer. Usually smaller and lighter than standard hairdryers, with dual voltage. 

Sound level is measured at the highest heat and speed settings, at 15cm.

'Tested model' means you ought to be able to find this in retailers. We check availability every time we test, which is around once a year.