As someone who finds herself doom scrolling on social media late at night in bed quite a lot, I often come across weird trends that most of my friends and colleagues haven’t heard of yet (and truth be told, sometimes don’t want to hear of — I’m looking at you hemorrhoid cream for undereye bags). The latest: the idea that hair holds memories — and it’s hitting a little close too close to home. Overall, the trend on TikTok features lighthearted videos of people showing off their long hair with captions like, “hair holds memories,” followed by a transformation of themselves with dramatically shorter hair. However, there are quite a…