PRP — Platelet-Rich Plasma therapy — has become one of the most talked-about treatments in hair restoration. You've probably seen it promoted by dermatologists, med spas, and hair loss clinics. But does it actually work? And is it right for you?
Here's an honest, evidence-based look at PRP for hair loss from Dr. Shim Ching at Hair Transplant Hawaii.
What Is PRP?
PRP stands for Platelet-Rich Plasma. It's a concentration of your own blood platelets — cells that contain growth factors involved in tissue healing and regeneration. These growth factors, when injected into the scalp, are believed to stimulate dormant hair follicles, increase blood supply to the follicle, extend the active growth phase of the hair cycle, and improve hair thickness and density.
The concept isn't new. PRP has been used in orthopedic medicine, dentistry, and wound healing for decades. Its application to hair loss is more recent but has gained significant traction over the past several years.
How the Treatment Works
The PRP process is straightforward and takes about 30-45 minutes in the office.
A small amount of blood is drawn from your arm — similar to a routine blood test. The blood is placed in a centrifuge, which spins it at high speed to separate the platelet-rich plasma from the rest of the blood components. The concentrated PRP is then injected into the areas of your scalp experiencing thinning.
Most protocols call for an initial series of 3 treatments spaced 4-6 weeks apart, followed by maintenance treatments every 6-12 months. The treatment is minimally uncomfortable — most patients compare it to minor pinching — and you can return to your normal routine immediately afterward.
What Does the Research Say?
PRP for hair loss has shown promising results in clinical studies, though it's important to set realistic expectations.
Multiple peer-reviewed studies have demonstrated that PRP can increase hair count and hair thickness in patients with androgenetic alopecia (pattern hair loss). Research published in dermatology journals has shown measurable improvements in hair density after a series of PRP treatments.
That said, PRP is not a miracle cure. It works best for patients with early to moderate thinning — where follicles are miniaturizing but not yet completely dormant. It's less effective for patients with long-standing, complete baldness in the treatment area.
The results vary from patient to patient. Some patients see significant improvement; others see more modest gains. Factors like the severity of hair loss, age, overall health, and the PRP preparation method all influence outcomes.
Who Is a Good Candidate for PRP?
PRP tends to work best for patients with early to moderate hair thinning (not complete baldness), those who want to slow the progression of hair loss, patients looking to improve the quality and thickness of existing hair, patients who aren't ready for — or don't need — surgical hair transplantation, and hair transplant patients looking to optimize and maintain their results.
PRP is also effective for both men and women, making it a versatile option for different types of hair loss.
PRP as a Complement to Hair Transplant Surgery
One of the most powerful applications of PRP is alongside a hair transplant. When used in combination, PRP can enhance graft survival by improving blood supply to newly transplanted follicles, accelerate healing and early growth after the procedure, strengthen and protect existing native hair from further thinning, and extend the life and quality of your transplant results.
At Hair Transplant Hawaii, Dr. Ching often recommends PRP as part of a comprehensive treatment plan that includes surgical hair restoration. The combination approach addresses both the transplanted area and the surrounding native hair — giving you the best possible long-term outcome.
What PRP Cannot Do
Transparency matters, so here's what PRP won't accomplish. It won't regrow hair in areas that have been completely bald for years — once a follicle is fully dead, PRP can't revive it. It won't stop hair loss caused by scarring conditions (cicatricial alopecia). It requires ongoing maintenance — unlike a hair transplant, which is permanent, PRP benefits tend to diminish if treatments are discontinued. And it's not a replacement for surgical hair transplantation in cases of moderate to severe hair loss.
PRP is best understood as a treatment that optimizes and preserves what you have — rather than a standalone solution for significant hair loss.
Cost and Commitment
PRP treatments are priced individually or as a package. Expect a series of 3 initial sessions, each lasting about 30-45 minutes, followed by periodic maintenance appointments. The cost is significantly less than surgical hair transplantation and requires no downtime.
During your consultation, Dr. Ching's team can provide specific pricing and recommend whether PRP alone — or PRP combined with other treatments — is the right fit for your situation and budget.
Other Non-Surgical Options
PRP isn't the only non-surgical tool available for hair loss. At Hair Transplant Hawaii, Dr. Ching also offers laser light therapy, which uses targeted light energy to stimulate blood flow and nutrient delivery to the scalp. Topical minoxidil (Rogaine) remains one of the most well-studied hair loss treatments available over the counter. Oral finasteride blocks the hormone DHT responsible for follicle miniaturization in male pattern baldness. And Viviscal Pro supplements provide nutritional support for healthy hair growth.
A combination approach — using multiple treatments together — often yields the best results, especially for patients not yet ready for surgery.
Is PRP Right for You?
The honest answer is that it depends on your specific hair loss situation. PRP works well for many patients, but it's not the right fit for everyone. The only way to know is a thorough evaluation of your hair loss, donor area, and overall goals.
Dr. Ching will give you a straight assessment — if PRP is likely to help, he'll recommend it. If your hair loss has progressed beyond what PRP can address, he'll tell you that too and discuss surgical options that can deliver the results you're looking for.
Schedule your free consultation today. Call 808-585-8855 or book online.
Hair Transplant Hawaii — Comprehensive hair restoration solutions, from PRP to surgical transplantation, in Honolulu.