It may audio silly to curl already-curly hair, but whenever they've gotten saggy or unruly, It can be a terrific way to perk them up. "Go with a curling iron that's about a similar diameter as your curls," states Sabina Yannone, a L. a.-based hairstylist who concentrates on curly hair. https://allhealthmarket.com/product/health-and-beauty-2/hair-care/hair-care-styling/hair-styling-devices/straightening-curling-irons/professional-volumizer-ceramic-hair-curling-iron-brush-comb-grid-crimper-waves-corn-brushes-styling-tools/