They, and others before them have used 100% human cells.
Human cells that have grown hair in other animals.
Jahoda used human cells from two different people that grew new hair in his wife's arm. You
conveniently keep "forgetting" this one.
Yes, the technology is proven and will work in humans. There is literally not a single argument that you can give as to why it won't. Whether it "works" or not has never been the issue; cultivating enough of the epithelial cells without losing their hair-inducing properties has always been the problem.
You're intentionally being retarded. You
know all of this information.
It's like how we could grow human organs inside pigs and use them for organ donors via human-pig hybrid embryos and sh*t. It's not that it wouldn't work; it's that there are other hurdles that prevent us from doing so at present.
But then there's you in the corner all like
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