Parlux 3800 Hair Dryer (£83) is POPSUGAR's assistant editors Angela Law's favourite, so much so that she's had it for 10 years. "It's as good as the day I bought it," she says. "I never feel like it damages my hair, because I've never had frazzled ends after using it (it's supersmoothing), and my hair is far less frizzy than when I use any other dryer."