Post like that are somewhat scattered around the site. The effective solutions are a few drugs like Rogan and Minoxidil which are available over the counter and are applied topically or several oral medications discussed in HRT. Even an effective blocker can result in regrowth however the rule is if the hair has been recently lost, it will probably regrow. If the hair has been gone a long time, regrowth is less likely. You will also find discussions about hair transplants and those tend to end up in Facial Feminization Surgery.