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.
scalp tattoos to mimic the appearance of light stubble
chemical that might completely regrow follicles from hair transplant extractions
extract, clone, and reinsert your own hair cells
a synthetic prostamide used to treat eyelashes also shows promise for stimulating hair growth on scalp