What Does Exosome Hair Treatment Actually Cost? You've probably tried shampoos, supplements, maybe even PRP therapy. Nothing stuck. Then someone mentions exosome hair restoration — and suddenly you're curious, hopeful, and maybe a little skeptical about the price tag. Here's the honest answer: exosome hair treatment typically costs between $1,500 and $5,000 per session, depending on several key factors. That range feels wide, and it is — because no two patients are identical.