You probably know you can pop your fingers, your neck and your back. According to TikTok, you can pop your scalp as well. The trend, which is also called hair cracking, has people both fascinated and ...

Hair cracking, a viral trend that's made the rounds several times over the years, is making a comeback on TikTok. And that's not exactly a good thing. Hair cracking, also referred to as scalp popping, ...