Whether or not your hairbrush could be affecting your health is causing a big debate

There’s a big debate over dirty hairbrushes right now [Kendall Jenner/Instagram] If you’re anything like us, this is probably something you don’t do very often, if at all. But now a dermatologic surgeon has issued a warning on the subject, revealing that a dirty hairbrush can produce a build-up of all sorts. Possibly leading to yeast overgrowth and risk of infection, erm, yucky. “Like all your beauty tools, hairbrushes get dirty with continual use, especially if you’re using …