It seems that a man's greatest fear is losing his hair, and once it's gone, it's gone for good. Which is why a bald character is bound to try using some kind of product that promises to grow back their hair. This product never works. Or rather, it usually works too well, with way more hair sprouting than necessary, and often in places that it wasn't wanted. Other side effects may occur as well, including, but not limited to, the hair turning an unnatural color or what little hair was left falling out completely. Examples of Never Trust a Hair Tonic include: