Between 2016 and 2023, PRP procedures reported by ASPS members more than tripled — driven in large part by applications for hair loss. The American Society of Plastic Surgeons tracked this growth across its membership as PRP moved from an experimental offering to a mainstream treatment option. And yet, despite the growth, there’s still significant confusion about what PRP actually does, who it works for, and whether the cost is justified.
The evidence is real — but it’s nuanced. PRP works for some types of hair loss and not others. It requires ongoing maintenance. And it doesn’t replace FDA-approved medications for pattern hair loss. Here’s what the research actually says, and what you should realistically expect before spending $1,500–$3,500 on an initial series.
PRP for hair loss cost breakdown
| Treatment Option | Cost | Timeline | Notes |
|---|---|---|---|
| PRP initial series (3 sessions) | $1,500–$3,500 | 3–4 months | 4–6 weeks between sessions |
| PRP single session | $500–$1,200 | — | For maintenance after initial series |
| Annual maintenance (1–2 sessions) | $500–$1,000/year | Ongoing | Required to sustain results |
| Minoxidil (OTC, generic) | $10–$25/month | Ongoing | FDA-approved; $120–$300/year |
| Finasteride (Rx, generic) | $15–$50/month | Ongoing | FDA-approved; men only |
| Hair transplant (FUE) | $4,000–$15,000 | One-time | Permanent; moves existing follicles |
Five-year cost comparison
| Option | Year 1 | Years 2–5 (annual) | 5-Year Total |
|---|---|---|---|
| PRP (initial series + maintenance) | $2,500 | $750/year | ~$5,500 |
| Minoxidil alone | $240 | $240/year | ~$1,200 |
| Finasteride alone (men) | $360 | $360/year | ~$1,800 |
| PRP + medications (combined) | $2,860 | $1,110/year | ~$7,300 |
| Hair transplant (one-time) | $8,000 | $0 | ~$8,000 |
How PRP actually works
The process starts with a standard blood draw — the same kind used for any lab test. The blood is placed in a centrifuge that spins at high speed to separate its components by density. The platelet-rich plasma layer is extracted from the middle of the tube — it’s the fraction that contains a high concentration of growth factors including PDGF, VEGF, and IGF-1.
That platelet-rich fraction is then injected directly into the scalp at the level of the hair follicles using a fine-gauge needle or a micro-needling device. The injections are spaced across the thinning areas — typically the vertex (top of scalp) and frontal hairline for androgenetic alopecia. A topical anesthetic is applied first; the procedure itself takes 30–60 minutes.
The growth factors in platelets are thought to stimulate dormant or miniaturizing follicles, prolong the anagen (growth) phase of the hair cycle, and improve blood supply to follicle tissue. The mechanism is biologically plausible and supported by histological research showing increased follicle diameter after PRP treatment.
What the research says — and doesn’t say
A 2019 systematic review published in JAMA Dermatology analyzed randomized controlled trials on PRP for androgenetic alopecia and found statistically significant improvements in hair count, hair thickness, and hair strength compared to placebo. The evidence quality was rated moderate — real, but not definitive.
What the research consistently shows PRP working for:
- Androgenetic alopecia (pattern hair loss) — male and female — in early-to-mid stages where follicles are miniaturizing but present
- Reducing shedding associated with telogen effluvium in some cases
What PRP is NOT shown to be effective for:
- Scarring alopecias (lichen planopilaris, frontal fibrosing alopecia) — inflammatory destruction of follicles that PRP cannot reverse
- Alopecia totalis or universalis — complete follicle loss with no viable follicles remaining
- Areas that have been bald for many years with no follicle activity visible on dermoscopy
If your provider recommends PRP for scarring alopecia or complete hair loss without discussing these limitations, ask specifically about the evidence basis for your hair loss type.
PRP is not a hair regrowth miracle. Here’s what realistic improvement actually looks like:
What to expect if you respond well: Decreased shedding within 2–3 months, increased hair density visible at 3–6 months, improved caliber (thickness) of existing hairs, and a slower progression of hair thinning over time.
What not to expect: PRP will not fully restore your hair to what it was 10 years ago. It will not work on follicles that are no longer viable. It will not produce results that last indefinitely without maintenance.
The maintenance reality: Most patients who see a good initial response need 1–2 maintenance sessions per year to sustain it. Unlike a hair transplant (where moved follicles are permanent), PRP’s effect on the hair cycle requires ongoing support. Factor this into the five-year cost before committing.
Combined approach: The strongest evidence for slowing androgenetic alopecia remains FDA-approved medications — minoxidil for men and women, finasteride for men (and off-label spironolactone for women). PRP works as a complement to these, not a replacement. Patients using PRP alongside medication typically see better outcomes than either alone.
Who performs PRP for hair loss?
- Board-certified dermatologist: Most appropriate. Dermatologists specialize in scalp conditions and can diagnose the specific type of hair loss before recommending PRP — critical because treating the wrong hair loss type wastes money and time.
- Board-certified plastic surgeon: Appropriate, particularly if also considering hair transplant surgery.
- Medical spas: Variable quality. The critical factor isn’t just the injector’s experience — it’s the PRP system being used. Low-quality centrifuges produce inconsistent platelet concentrations that reduce effectiveness.
Ask any provider: what PRP kit and centrifuge protocol do you use, and what platelet concentration do you target? A provider who can’t answer that question may not be producing high-quality PRP.
PRP quality varies dramatically by provider. The platelet concentration in PRP depends on the centrifuge speed, time, and the kit used — and this isn’t regulated or standardized across practices. Providers using low-quality centrifuges or improper protocols may be injecting what amounts to normal plasma with minimal platelet enrichment. Seek a board-certified dermatologist or plastic surgeon who can cite their specific PRP preparation protocol. If a medispa is offering PRP for hair loss at unusually low prices ($200–$300/session), that’s often a signal of lower-quality equipment or technique. Pay for quality here, or the investment produces nothing.
Is PRP worth it?
For the right patient — early-to-mid-stage androgenetic alopecia, realistic expectations, willingness to commit to maintenance, and ideally combining with FDA-approved medications — the answer is often yes. The evidence supports it, satisfaction rates are generally positive, and the procedure carries minimal risk.
For patients hoping to regrow hair in areas that have been fully bald for years, or those with inflammatory scalp conditions, PRP is likely the wrong investment. Get a scalp evaluation and definitive diagnosis from a dermatologist before spending money on treatment.
The ASPS 2023 data confirms that PRP is now firmly in mainstream cosmetic practice. Whether it’s the right choice depends entirely on your hair loss type, stage, and goals.
Frequently Asked Questions
PRP results are not permanent. Most patients see improvement in density and shedding over 3–6 months following the initial series. Results typically begin fading after 12–18 months without maintenance. To sustain improvement, most providers recommend 1–2 maintenance sessions per year at $500–$1,000 each. PRP slows hair loss and improves density — it doesn't cure the underlying cause.
PRP works best on active follicles that are thinning — not on follicles that are fully dormant or dead. If a scalp area has been bald for many years with no visible follicle activity, PRP is unlikely to produce meaningful regrowth. Earlier-stage androgenetic alopecia, where follicles are present but miniaturized and shedding, responds much better.
No. PRP is FDA-cleared as a device process (the centrifuge and kit), but it is not FDA-approved specifically for hair loss. The procedure is used off-label for this indication. That said, multiple peer-reviewed studies — including research published in JAMA Dermatology — support its effectiveness for androgenetic alopecia, and it is widely accepted by board-certified dermatologists as a legitimate treatment option.