We're reluctant to use the phrase "cheap and cheerful", but this attachment from millennial pink Aussie haircare brand Mermade Hair does have the lowest price tag of all of the diffusers in our edit. It’s easy to clip on to the Mermade Dryer –which, it’s important to note, is the only tool that it's compatible with – plus it felt extremely secure once attached and stayed put throughout our blow drying session. Results-wise, it did its job of keeping frizz levels down and retaining curl definition.

10 best diffusers for curly hair, tested by a beauty editor

For defined, tamed curls hydrated thanks to the "good" heat of the ceramic. Bellissima Diffon DF1 3000 is the hot air diffuser that combines a diffuser and a hairdryer in one single appliance, with an anti-frizz and anti-dryness effect. Perfect when travelling too. Diffon is specifically designed for curls because the 700W power dries your hair slowly, making sure each curl remains defined and frizz-free. The prongs are also a generous length and can reach the scalp, while the surface of the diffuser is covered with a good amount of holes. It also features adjustable airflow, meaning you can adapt the amount of air that comes through the dryer to suit your styling needs and preference.curlycaridad My curls felt soft and bouncy with volume at the roots too! Overall, I achieved more volume compared to my usual hair dryer and diffuser. I have medium to long hair and the 700W power is ok for me. Drying my hair doesn’t take much longer than with my older hair dryer. It’s really light, and much easier to move around my scalp than a conventional hair dryer.

Bellissima Italia | FEELUNIQUE Bellissima Italia | FEELUNIQUE

If your main hope for your new diffuser is to reduce frizz in your hair, the T3 Cura or Cura Luxe dryer paired with the Soft Curl Diffuser is a brilliant styling choice. The base of the diffuser is covered with small holes to really evenly distribute the air for gentler drying, and it clips onto the dryer securely so that there's very little chance of it coming off while you diffuse. Bellissima Ceramic Diffon is designed with cutting edge innovation in mind. For defined, tamed curls hydrated thanks to the "good" heat of the ceramic. Bellissima Ceramic Diffon is the hot air diffuser that combines a diffuser and a hairdryer in one single appliance, with an anti-frizz and anti-dryness effect. Perfect when travelling too. It's light and comfortable to hold and use on the entire head. The diffuser is built-in, so there's no risk of it falling off, and the grill is purposely designed to avoid any risk of your hair getting caught up in the fan. Wether you follow the curly girl method or just have curly hair, it’s worth getting a good diffuser. I can see the difference the Bellissima Diffon has done to the definition of my curls, not only are they more defined but I also have more volume. Most people know about the best ghd straighteners, but the brand’s hair dryers and attachments are also loved by industry experts all over the world. Compatible with both the ghd Helios hair dryer and Air hair dryers, the prongs of this diffuser are nice and long, allowing you to separate and move around sections of your hair while you style, and it feels very well-made and durable.Don’t be put off by this diffuser’s unique and unusual shape, as it’s easier to use than it might look. It’s extremely light, features a ceramic core to boost shine and moisture retention, and the fingers can dry your hair from multiple angles. The shape also lends itself to different desired results: the fingers can get into the roots to boost volume, as well as feed through the lengths and dry at a downward angle.

Diffon Ceramic Hair Dryer - Currys BELLISSIMA ITALIA Diffon Ceramic Hair Dryer - Currys

If you know that your hair tends to go frizzy when you air dry, or that it takes hours to dry naturally on its own, you'll most likely find that using a diffuser and a dryer on a low speed, low heat setting gets you much better results. Is it healthier to use a diffuser on hair?I found this dryer really easy to use, both to scoop up my hair and to hover diffuse. I didn’t find it caused any frizz and am really happy with how my hair turns out with this. Sabrina Pace Humphreys took on the Marathon des Sables at 40 after starting trail running in a period of intense post-natal depression, here she tells us how it happened If you know you’re going to diffuse your hair after every wash because you wear it curly most or all of the time, then you could just buy a dryer that’s always got a diffuser attached to it. As its name suggests, Bellissima Italia’s Diffon Ceramic Diffuser features ceramic technology for a gentler heat, two-speed settings, and nice long fingers. But perhaps more importantly we found it really easy to use, surprisingly light at just over 700g (about 1.6 lbs), and gives curly hair a nice bounce boost.