PRP Therapy Explained
Platelet-rich plasma is drawn from your own blood and used to support follicles that are thinning but not yet gone. What it is not is a replacement for surgery.
PRP begins with an ordinary blood draw. The sample is spun in a centrifuge, which separates it by density: red cells settle at the bottom, a thin pale band of platelets forms above them, and straw-coloured plasma sits on top. That platelet-rich fraction is what gets injected into the thinning areas of the scalp.
The rationale is that platelets carry growth factors, and concentrating them around struggling follicles supports the growth cycle. Because the material comes from you, there is no question of rejection or donor matching.
The important limit: PRP cannot regrow hair on skin that has been bald for years. Once a follicle is gone it is gone, and no injection brings it back. What PRP can plausibly do is support follicles that are still alive but miniaturising — producing progressively finer, shorter hairs rather than none at all.
That makes it useful in two situations. First, as part of a plan to hold on to native hair. Second, alongside a transplant, supporting the surrounding hair that was not moved. If anybody offers it to you as an alternative to surgery for advanced loss, be sceptical.
It is also not permanent. Any benefit lasts as long as the treatment is maintained, because the underlying genetic process continues regardless. Expect scalp tenderness for a day or so after a session, and expect any change to show up over months rather than weeks — usually as reduced shedding before visible new growth.
PRP is not suitable for everyone. Certain blood disorders and medications rule it out, which is why suitability is decided at consultation rather than from a website.
Reviewed by Dr Jawdat Abboud, MD. Educational content — not a diagnosis and not a substitute for examination by a physician. Individual results vary.
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