Dyson Supersonic vs. ghd Helios Professional Hair Dryer

Our Full Verdict

These two dryers sit at the top of the professional end of the market, but they solve different problems. The Dyson Supersonic is built around heat management: its digital motor sits in the handle rather than the head, which gives the dryer a balanced feel, and Dyson states that its intelligent heat control measures temperature 40 times per second. The ghd Helios is built around airflow: ghd lists a 1875W brushless motor, 75mph airflow, Aeroprecis technology, and ionic conditioning, with variable temperature and power settings plus a cool shot. Choose the Dyson Supersonic if your hair is fine, normal, or color-treated, or if you have had trouble with dryers that feel too hot even on lower settings. The heat control is the reason to pay attention here: a dryer that checks and adjusts temperature continuously is designed to reduce the risk of extreme heat, which matters most when strands are thin, lightened, or already fragile. The magnetic attachments are also part of the pitch. Dyson engineers different nozzles for different hair types, so you can switch between a focused airflow for smoothing and a wider, gentler flow for drying without over-directing the hair. The trade-offs are real, though: the Supersonic can be loud at its highest settings, and its smaller motor can struggle with very thick hair, particularly when the hair is long and wet. If your main goal is to move a large amount of water out of dense hair quickly, this is not the dryer built for that job. Choose the ghd Helios if your hair is thick, long, or both, and if you want a powerful, direct airflow that dries sections quickly. The 1875W brushless motor and 75mph airflow figure describe a dryer designed to push air with force, while Aeroprecis technology and ionic conditioning are presented as ways to keep that force from turning into frizz. Variable temperature and power settings give you room to move down for finer sections and up for dense ones, and the cool shot is there for setting a blow-dry shape once the hair is dry. The Helios is also balanced and light enough for extended use, which matters if you dry your hair in sections. The main limitation is travel: ghd lists the Helios as not dual voltage, so it is not the dryer to pack for an international trip without a converter. It also lacks the kind of continuous temperature monitoring Dyson describes. The useful way to decide is to start with your hair's density and condition rather than the brand name. Fine hair, lightened hair, or hair that scorches easily points toward the Supersonic, because its design prioritizes controlling heat and its attachments let you soften airflow. Thick, coarse, or long hair that takes a long time to dry points toward the Helios, because its design prioritizes moving air quickly and its settings let you manage power. If you are between the two, think about which problem you complain about more: heat damage and hot spots, or drying time and arm fatigue. Routine matters as much as hair type. If you blow-dry most wash days, the dryer you choose should feel comfortable in your hand and should offer enough control to work section by section. Both dryers are balanced enough for that, but the Supersonic's motor-in-handle layout may appeal more if you style fine hair with a round brush, while the Helios's airflow may appeal more if you are drying thick hair in larger sections. If you only dry occasionally, the case for either premium dryer is weaker; a simpler dryer with a concentrator and a cool shot can cover the basics, and the money is better spent on technique and a heat protectant. One more distinction is how each dryer handles the transition from wet to styled hair. The Supersonic's attachments encourage a two-step approach: rough-dry with a wider flow, then switch to a smoothing nozzle and a brush for the finish. The Helios encourages a more continuous approach: dry and shape in the same pass with a concentrator, using power and heat settings to match the section. Neither method is better; the first suits people who style deliberately, the second suits people who want to finish quickly. Neither dryer removes the need for good habits. Keep the nozzle pointed down the hair shaft to smooth the cuticle, keep the dryer moving rather than holding it in one spot, rough-dry to roughly seventy percent before you pick up a brush, and use the cool shot to set the shape. Those steps matter more than the difference between two well-made tools. And neither brand's published material proves that one dryer dries faster or leaves hair healthier than the other in independent testing; the claims are brand-reported, so treat them as design intentions rather than measured results. The bottom line: the Dyson Supersonic is the more considered choice for fine, color-treated, or heat-sensitive hair and for anyone who wants attachment-driven airflow control. The ghd Helios is the more considered choice for thick or long hair and for anyone who wants maximum airflow in a balanced, professional-feeling tool. Both are premium purchases; neither is a universal winner.