Just when you thought TikTok couldn’t get any weirder, influencers are now putting temporary tattoos on their hair. Why? Because it’s cute, of course! TikTok is full of helpful experts like the former Royal Marine who recently outlined what a real man is. But for every Marine, there’s a strange TikTok trend that has occupied your mind for months. Just recently, a former inmate gave a step-by-step guide to prison cooking. Temporary tattoos on hair sounds like a disaster waiting to happenThough trends like DIY facemasks are very much usable to the average consumer, placing temporary tattoos in y…