PRP for Hair Loss: Science, Results & What to Expect

Hair thinning affects millions of men and women and can significantly impact confidence and self-image. While hair loss has traditionally been difficult to treat without surgery, platelet-rich plasma (PRP) therapy has emerged as a promising non-surgical option — backed by a growing body of research.

How Scalp PRP Works

The mechanism mirrors what makes PRP effective for facial rejuvenation: concentrated growth factors stimulate cellular activity.

When PRP is injected into the scalp:

Growth factors activate follicles: Platelet-derived growth factor (PDGF), vascular endothelial growth factor (VEGF), and insulin-like growth factor (IGF) signal dormant hair follicles to re-enter the active growth (anagen) phase.

Angiogenesis improves follicle nutrition: New blood vessel formation increases nutrient and oxygen delivery to follicles.

Anti-inflammatory effects: Chronic low-grade inflammation around follicles contributes to androgenetic alopecia. PRP may help modulate this.

Stem cell activation: Growth factors may stimulate follicular stem cells.

What Research Shows

The evidence for scalp PRP is promising:

- Multiple randomized controlled trials show significant increases in hair count, hair density, and hair shaft diameter compared to placebo - Results appear particularly strong in early to moderate androgenetic alopecia - Results are more limited in advanced baldness (extensive scarring or fully dormant follicles respond less) - PRP works by preserving and reactivating existing follicles — not creating new ones

Who Benefits Most

PRP works best for patients who:

- Have androgenetic alopecia (male or female pattern hair loss) in early to moderate stages - Have diffuse thinning rather than complete baldness in an area - Still have some hair follicles present in the thinning areas - Are not adequately controlled on medications alone (minoxidil, finasteride) - Are not candidates for or not ready for hair transplant surgery

The Treatment Protocol

Session 1–3: Monthly treatments Sessions 4–6: Every 3 months Maintenance: Every 6 months indefinitely to maintain results

What to Expect During Treatment

1. Blood drawn from your arm (similar to a standard blood test)
2. Centrifuge separates platelet-rich plasma
3. Scalp numbing (topical or injectable)
4. PRP injected across the treatment area
5. Mild soreness and sometimes redness for 24–48 hours

Results develop gradually over 3–6 months. Hair shedding may temporarily increase in the first month as follicles shift phases — this is normal.

Combining PRP with Other Treatments

PRP works synergistically with: - Minoxidil (topical) — continued use recommended for most patients - Finasteride — for appropriate male patients - Low-level laser therapy (LLLT) — adds additional follicular stimulation - Microneedling — mechanical stimulation combined with PRP growth factors

PRP vs. Hair Transplant

PRP and hair transplant are not competitors — they complement each other. PRP cannot restore hair where follicles are completely gone; transplant is needed there. But PRP can preserve hair in adjacent areas, improving overall density and potentially reducing how many grafts are needed.

Concerned about hair thinning? Call (332) 237-3661 to discuss whether PRP is right for you.