Transplanting Hair Between Fraternal Twins?

I’m worried that the combination of continued balding and my very fine hair will make it difficult to naturally and densely cover my scalp via transplant. In the case of having a fraternal twin, female family members, or maybe even friends with hair to spare, is it ever possible to retrieve grafts from a donor that is not the patient? Would grafts from a female donor be viable on a male MPB scalp? Thanks!

Unfortunately, transplanting hair from any person other than an identical twin will fail and get rejected. Hair is like any other organ transplant, which would require anti-rejection medication that could lead to further health complications. I’ve written about this process and the medication required before.