the stimulant you know and love can be used topically to stimulate hair
Hair transplantation moves DHT-resistant follicles from a donor area (back and sides of the scalp) into thinning or bald areas. The transplanted hair is generally permanent, though surrounding native hair can keep thinning.
glaucoma medication with hair follicle stimulant effects
chemical that might completely regrow follicles from hair transplant extractions
extract, clone, and reinsert your own hair cells