If Instagram and TikTok are any indicator, you’re missing out if you’re not curling your hair with a heat-free technique that’s either newfangled or retro — remember pin curls? “Heatless curling ...

It's hot outside, and for those looking to stay cool in the blistering weather, a blowout or head full of curls created using hot tools just isn't going to work. That's why trying heatless waves are a ...