For curls and waves, use the ghd professional hair dryer diffuser, which fits ghd Helios with an adaptor ring. The ghd Helios wide styling nozzle is made for longer, thicker hair, and the ghd Helios comb nozzle lifts and shapes curly or coily hair. ghd Helios also fits the ghd heat-resistant hair dryer bag. Shop ghd hair dryer attachments.