The article that Joxy posted states that it was an autologous transplant i.e. his own cells. They "transplanted olfactory mucosal cells drawn from his upper nasal passages".
Replicel is definitely unproven, given what only 10 or so patients were followed up on in the 5 year window? The new Shiseido trial has 60 participants that will be followed up on only after 1 year. This guy's tumour showed up after 7 years.
Anyone trying this therapy in the first couple years will be facing serious unknowns about cancer risk. Also inb4 people say cancer is nothing to worry about. I promise everyone that blindness, strokes, death etc. are worse than balding. If y'all don't believe that, then you need therapy a lot more than more hair.