Dyson Supersonic Hairdryer HD07 Nickel / CopperDyson Supersonic hair dryer Nickel Copper HD07 features Healthy hair reflects light Extreme temperatures can make small pores appear within the strands. These scatter light in all directions, decreasing shine. The Dyson Supersonic hair dryer's intelligent heat control helps prevent extreme heat damage. And less damaged hair reflects more light in a single direction, so hair appears shiny. Heat and colour loss Whether your hairs dyed or natural, high