Platelet-Rich Plasma (PRP) for Hair Loss Treatment

prp treatment melbourne - hair restoration

Platelet-rich plasma (PRP) therapy is a non-surgical, minimally invasive treatment increasingly used for managing hair loss. PRP is derived from the patient’s own blood and processed to concentrate platelets rich in growth factors. These growth factors are then injected into the scalp to stimulate hair growth and improve hair density.

Does PRP actually regrow hair?

Yes, PRP (platelet-rich plasma) hair treatment can help regrow hair for some individuals. Here’s how:

PRP therapy is primarily used for two common types of hair loss:

PRP hair treatment for AGA in Melbourne
  • Androgenetic Alopecia (AGA):
    • AGA, or pattern hair loss, is characterized by progressive hair thinning due to hormonal and genetic factors. PRP has shown promise in slowing hair loss and promoting hair regrowth by improving follicular health (Gentile et al., 2015).
PRP Hair treatment for AA in Melbourne
  • Alopecia Areata (AA):
    • An autoimmune condition causing patchy hair loss. PRP therapy is believed to stimulate dormant follicles and modulate immune responses (El Taieb et al., 2016).

Mechanisms of Action:

  • Stimulation of Hair Follicles: Growth factors in PRP, such as platelet-derived growth factor (PDGF), vascular endothelial growth factor (VEGF), and transforming growth factor-beta (TGF-β), promote angiogenesis and enhance follicular cell proliferation.
  • Prolongation of the Hair Growth Phase: PRP extends the anagen (growth) phase of the hair cycle, reducing hair shedding.
  • Reduction of Inflammation: PRP reduces inflammation and oxidative stress in the scalp, creating a more favourable environment for hair growth (Schievano et al., 2021).

Evidence Supporting PRP for Hair Loss

  1. Androgenetic Alopecia (AGA)
  • Gentile et al. (2015):
    • A randomized controlled trial demonstrated significant improvements in hair density and thickness in AGA patients treated with PRP compared to controls.
  • Meta-Analysis by Gupta et al. (2019):
    • This review highlighted that PRP therapy significantly increased hair density and reduced hair loss compared to placebo treatments, with minimal side effects.
  • Singhal et al. (2015):
    • Reported that PRP improved hair growth in 75% of participants with AGA after three sessions over six months.
  1. Alopecia Areata (AA)
  • El Taieb et al. (2016):
    • A clinical trial comparing PRP with corticosteroids found PRP to be equally effective in inducing hair regrowth, with fewer side effects.
  • Verma et al. (2020):
    • Highlighted PRP’s role in promoting hair regrowth in resistant AA cases.

Comparisons with Other Treatments

  1. PRP vs. Minoxidil/Finasteride:
    • Studies suggest that PRP can complement traditional therapies like minoxidil and finasteride, enhancing their efficacy.
  2. PRP vs. Hair Transplantation:
    • PRP is less invasive and can be used as an adjunct to improve the outcomes of hair transplantation by enhancing graft survival and promoting growth in the recipient area.

Advantages of PRP

  1. Autologous Treatment:
    • PRP uses the patient’s own blood, minimizing the risk of allergic reactions or complications.
  2. Minimal Downtime:
    • The procedure is quick and involves minimal recovery time, making it convenient for patients.
  3. Non-Surgical Approach:
    • PRP provides a viable option for patients seeking non-invasive alternatives to surgery.

Limitations and Considerations

  1. Variability in Results:
    • Response to PRP varies based on individual factors like age, hair loss severity, and underlying conditions.
  2. Lack of Standardization:
    • Differences in PRP preparation protocols (e.g., platelet concentration, activation methods) make it challenging to compare outcomes across studies.
  3. Limited Evidence for Severe Cases:
    • PRP is less effective in advanced stages of hair loss with extensive follicular damage.

Conclusion

PRP is a promising, evidence-based therapy for managing hair loss, particularly in androgenetic alopecia and alopecia areata. While it offers significant benefits, such as non-invasiveness and minimal side effects, further research is needed to standardize protocols and optimize outcomes. It is best used as part of a comprehensive treatment plan tailored to the patient’s specific needs.

Find Out If PRP Is Right for You at Excel Pain and Wellness, Melbourne. Schedule a Consultation.

References

 

  1. El Taieb, M. A., Ibrahim, H., & Nada, E. (2016). Platelet-rich plasma versus minoxidil 5% in treatment of alopecia areata: A trichoscopic evaluation. Dermatologic Therapy, 29(3), 233–240.
  2. Farris, P., Rogers, N., & Minton, T. (2017). Platelet-rich plasma for androgenetic alopecia: A review of the literature and proposed treatment protocol. International Journal of Women’s Dermatology, 3(3), 123–127.
  3. Gentile, P., Garcovich, S., Bielli, A., et al. (2015). The effect of platelet-rich plasma in hair regrowth: A randomized placebo-controlled trial. Stem Cells Translational Medicine, 4(11), 1317–1323.
  4. Gupta, A., Tavallaee, M., Sharma, A., et al. (2019). The role of platelet-rich plasma in the management of androgenetic alopecia: A systematic review and meta-analysis. Journal of the American Academy of Dermatology, 80(6), 1730–1735.
  5. Schievano, C., Mucci, G., & Bergamasco, L. (2021). The role of platelet-rich plasma in treating androgenetic alopecia. International Journal of Trichology, 13(2), 53–59.
  6. Singhal, P., Agarwal, S., Dhot, P. S., et al. (2015). Efficacy of platelet-rich plasma in treatment of androgenic alopecia. Asian Journal of Transfusion Science, 9(2), 159–162.
  7. Verma, K., Tegta, G. R., & Verma, G. (2020). Platelet-rich plasma: A novel treatment modality for alopecia areata. International Journal of Trichology, 12(5), 185–190.