How long will transplants last?

Do we know how transplanted will look like 60 years after they are transplanted!

We know that these transplants can last more than 40 years as the commercialization of hair transplantation happened in the late 1950s in New York. These original transplants didn’t look good, but they lasted nevertheless. I think that Joe Biden’s original hair transplant is more than 40 years old and makes up the bulk of the hair that he has not in the front of his head