I never thought I’d write. Not that butt hair is a rare thing: You have it, I have it, the Kardashians have it (or they did at one point, anyway). But even in a culture of oversharing, in which we talk openly about almost everything this is one topic that nobody really touches (even though we all have questions)” “Vanity and hygiene are two of the reasons. You’re removing hair that could be caught with bacteria or areas that haven’t been properly wiped.