PRP (platelet-rich plasma) therapy for hair loss is a three-step medical treatment in which a person’s blood is drawn, processed, and then injected into the scalp.
Some in the medical community think that PRP injections trigger natural hair growth and maintain it by increasing blood supply to the hair follicle and increasing the thickness of the hair shaft. Sometimes this approach is combined with other hair loss procedures or medications.
PRP therapy is a three-step process. Most PRP therapy requires three treatments 4–6 weeks apart.
Maintenance treatments are required every 4–6 months.
Your blood is drawn — typically from your arm — and put into a centrifuge (a machine that spins rapidly to separate fluids of different densities).
After about 10 minutes in the centrifuge, your blood will have separated into in three layers:
The platelet-rich plasma is drawn up into a syringe and then injected into areas of the scalp that need increased hair growth.
When PRP is injected after an injury, your doctor may recommend that you rest the affected area. However, these recommendations are more related to the injury and less to the PRP injections. Most people can continue their daily activities following PRP injections.
Because PRP injections are intended to promote healing or growth, you may not notice an immediate difference after receiving the injections. However, in several weeks or months, the area may begin healing faster or growing more hair than you would have expected if you hadn’t received PRP injections.
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