PRP and Hair Transplants: What the Research Actually Shows

August 1, 2026

If you're planning a hair transplant, you've probably come across platelet-rich plasma (PRP) as an add-on option — and you're likely wondering whether it's worth including in your case, or whether it's just an upsell. That's a fair question, and it deserves a fair answer grounded in what the research actually shows, not marketing language.

PRP has become a common adjunct to hair restoration procedures worldwide, including here in Colombia. But "common" isn't the same as "proven beyond doubt." Below is a plain-language look at what PRP is, what current clinical research says about its role in hair transplantation, and how HERO Institute's medical team approaches the decision with each patient.

1. What PRP Actually Is

Platelet-rich plasma is a concentration of platelets drawn from a small sample of your own blood, then processed and reintroduced into the scalp — typically the recipient or donor area — around the time of a hair transplant. The idea is that platelets carry growth factors that may support tissue healing and follicle activity.

It's not a stand-alone hair-loss treatment and it doesn't replace a transplant. At HERO Institute, when PRP is used, it's positioned as a supporting step within a transplant plan — not a separate procedure sold on its own promises.

2. What the Research Actually Shows

A 2025 systematic review published in Cureus , evaluating three controlled trials with 217 participants total, found that PRP use alongside hair transplantation was associated with increased hair density, enhanced follicle survival, and earlier initiation of visible hair growth compared to transplant alone.

That's a genuinely encouraging signal — but the same review is direct about its limits. The authors note that none of the studies used standardized evaluation tools or trichoscopic analysis, and that there was "notable heterogeneity" in how PRP was prepared, applied, and measured across trials. Their conclusion is measured: PRP "may offer clinical benefits as an adjunct to hair transplantation," but larger, standardized, long-term trials are still needed before its role can be established with full confidence.

We think that distinction matters. PRP is a reasonable, evidence-informed option to discuss with your surgeon — not a guaranteed upgrade, and not something that should be presented as settled science. Individual results vary, and how much PRP contributes in your specific case depends on your donor area, the extent of your procedure, and your own biology.

3. How This Fits Into a Hair Restoration Plan at HERO

Whether PRP makes sense for you isn't a marketing decision, it's a clinical one. During your medical evaluation, your surgeon reviews your donor area, alopecia stage, and the goals of your procedure, then discusses whether adding PRP is likely to support healing or density in your specific case — and is equally clear when it isn't necessary.

If PRP is recommended, it's explained as part of your overall graft planning conversation: what it is, when it's applied relative to your transplant, and what it realistically may — and may not — add to your recovery and results.

Frequently Asked Questions

Does PRP replace a hair transplant?
No. PRP is used alongside a transplant, not instead of one, and current evidence supports it as a supporting step rather than a primary treatment.

Is PRP painful?
It involves a blood draw and injections into the scalp, performed with local anesthesia and standard patient comfort measures during your procedure — most patients describe it as a routine part of the appointment.

How many PRP sessions are typical?
This depends on your case and your surgeon's recommendation during your evaluation — there's no single protocol that fits every patient, which is part of why the research itself is still working toward standardization.

Is PRP the right choice for everyone getting a transplant?
Not necessarily. Your surgeon will tell you honestly whether it's likely to help in your specific case rather than recommending it by default.

Ask About Your Case

The most useful next step isn't reading more general information — it's a medical evaluation specific to your donor area, alopecia stage, and goals. HERO Institute's specialist-led team in Bogotá and Medellín can walk you through whether PRP fits your hair transplant plan, with a virtual or in-person consultation available depending on where you're starting from.

Source: Sindhusen et al., "Efficacy of Platelet-Rich Plasma as an Adjunct to Hair Transplantation: A Systematic Review," Cureus, 2025.