For starters, Webb says the biggest mistake that’s made is a fairly obvious one: Women don’t take their time. “It takes about 30 to 45 minutes for a stylist to blow out and style your hair at Drybar,” adds Webb. “But at home, it takes most people a lot less time for the simple fact that they don’t section out their hair. ” And not sectioning your hair into one to two inch sections makes a huge difference. “When you blowout your hair in big clumpy sections, you can’t really get that smooth blowout that you get when it’s professionally done.