Dyson Supersonic Nural: two-minute reviewThe Dyson Supersonic Nural hair dryer is the most hi-tech hair dryer I’ve ever used. The headline feature here is the ‘Scalp Protect mode’, which senses how far away your head is, then heats up or cools down to maintain what feels like a constant temperature on your scalp. All that means less heat damage; even if you put it right up to your head, it won’t burn.The Nural can also sense when you put
