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A woman undergoing PRP hair treatment, which begs the question: how long does it last?

A Guide to PRP Treatment for Restoring Hair Naturally

Hair loss rarely has a single solution. For patients seeking a non-surgical approach or those recovering from transplant surgery, PRP hair treatment offers a science-backed option that harnesses your body’s own healing power.

At Nirunda Clinic, our aesthetic clinic Bangkok specialists have helped patients across all stages of hair loss discover the benefits of platelet-rich plasma therapy. Whether you’re exploring early intervention or seeking to enhance transplant results, understanding how PRP works helps you decide if it’s right for you.

What is PRP hair treatment?

So, what is PRP hair treatment? PRP, or Platelet Rich Plasma therapy, is a regenerative procedure that taps into your body’s own healing power. The concept is straightforward: concentrated growth factors from your blood are used to wake up sluggish hair follicles.

Here’s how it works. A small blood sample is drawn from your arm, then spun in a centrifuge to separate the platelets from other components. The resulting platelet-rich plasma—packed with growth factors—is extracted and injected directly into targeted areas of your scalp.

Because PRP uses your own biological material, there’s minimal risk of allergic reaction or rejection. It’s this natural approach that’s made the treatment a go-to option in aesthetic and regenerative medicine.

How PRP supports hair restoration

PRP works at the cellular level. Platelets contain growth factors that signal tissue repair and regeneration—when injected into the scalp, they increase blood supply to hair follicles, kick the follicle’s growth phase into gear, strengthen existing hair shafts, and extend the overall growth cycle.

For patients who’ve undergone hair transplant Bangkok procedures, PRP makes an excellent complement. It can speed up healing in both donor and recipient areas, improve graft survival rates, and give overall density a noticeable boost.

As for timing, most patients notice reduced shedding within two to three months. New growth and increased thickness typically show up between months four and six. Full results appear after completing the recommended treatment course.

Is PRP right for you?

PRP tends to work best for people who are:

  • Experiencing early-stage hair thinning
  • Post-transplant patients looking to enhance their results
  • Dealing with androgenetic alopecia (pattern baldness)
  • Preferring a non-surgical route.

That said, it’s not for everyone. If you have blood disorders, clotting conditions, active scalp infections, autoimmune issues affecting hair, or a history of poor wound healing, you’ll want to consult a doctor before jumping in.

One important caveat is that PRP works best on thinning hair where follicles are still active. Completely bald areas with no remaining follicles typically need a transplant to see real results. Your specialist can help determine the most effective approach for your specific situation.

Pros and cons of PRP hair treatment

One of PRP’s biggest upsides is that it uses your body’s own healing mechanisms, so it’s completely natural. There’s no surgery involved, downtime is minimal, and allergic reactions aren’t a concern. It also pairs well with other treatments and delivers gradual, natural-looking improvement over time.

But it’s not a magic bullet. You’ll need multiple sessions for optimal results, and it won’t work on completely bald areas. Even so, while results vary from person to person and maintenance treatments are necessary to keep the benefits going, the PRP hair treatment success rate is quite positive.

As for cost, PRP hair treatment Bangkok price depends on how many sessions you need and which areas you’re treating. While the initial investment covers multiple appointments, many patients find the non-invasive nature and cumulative benefits make it worthwhile—especially compared to surgical alternatives.

What to expect during your PRP treatment

A cosmetologist performs PRP hair treatment on a male patient.

It starts with a thorough scalp analysis. Our specialists evaluate your hair loss pattern, talk through your goals, and confirm whether PRP is the right fit for you.

Each session runs about 45 to 60 minutes. After numbing the treatment area, PRP is injected using fine needles. Most patients describe it as mild discomfort, which feels something like light pinching. Nothing too intense.

For best results, expect three to four initial sessions spaced four to six weeks apart. In terms of timeline, here’s what you can expect:

  • Month 1–2: Reduced shedding
  • Month 3–4: Early new growth
  • Month 5–6: Noticeable thickness kicks in

From there, continued improvement will follow, so long as you keep up with ongoing maintenance sessions every six to twelve months to help sustain what you’ve gained.

What to avoid after PRP hair treatment

Proper aftercare maximizes your results. Here’s what to avoid after PRP hair treatment:

Immediate aftercare (first 24–48 hours):

  • Avoid washing your hair for at least 24 hours
  • Stay out of direct sunlight and heat
  • Don’t touch or scratch the treated area
  • Skip strenuous exercise and sweating
  • Avoid blood-thinning medications and alcohol

Common post-treatment symptoms

You might feel mild swelling, redness, or tenderness at the injection sites. Rest assured that this is normal and typically resolves within a day or two.

Resuming normal routines

Most patients return to regular activities within 24 to 48 hours. But it’s recommended to wait at least one week before applying topical hair products or undergoing other scalp treatments.

PRP hair treatment results and longevity

The PRP hair treatment success rate is generally positive, with studies showing positive responses in the majority of patients with androgenetic alopecia. But it’s important to keep in mind that factors like the underlying cause of hair loss, treatment consistency, and individual biology still influence results. 

If you’re wondering about PRP hair treatment how long does it last? Initial results typically last 12 to 18 months, but regular maintenance sessions will extend the benefits and continue to support follicle health.

PRP hair treatment before and after comparisons reveal gradual yet significant improvements in hair density, thickness, and overall scalp coverage. During your consultation, we’ll share patient case studies relevant to your situation.

Why choose Nirunda Clinic for PRP hair treatment in Bangkok

PRP hair treatment Bangkok patients trust Nirunda Clinic for good reason. Our board-certified dermatologists and aesthetic doctors bring extensive experience in regenerative hair therapies, backed by advanced centrifuge systems and strict protocols that ensure high-quality platelet concentrations every time.

Every treatment plan here at our aesthetic clinic Bangkok is tailored to your unique hair loss pattern, goals, and lifestyle with no cookie-cutter approaches. We document progress with before-and-after photography, so you can actually see the improvements throughout your journey.

Located in central Bangkok, our clinic is easily accessible for both locals and international patients seeking world-class care. Whether you’re exploring PRP as a standalone treatment or combining it with a transplant, we’re here to help you get real results.

Restore your hair naturally

Hair loss can be distressing, but options like PRP therapy offer a powerful, non-surgical path to restoring healthier, fuller hair that you want. Whether you’re addressing early thinning or enhancing transplant results, this regenerative treatment works with your body to stimulate natural regrowth.Don’t let this condition get your confidence down. Consult with our experts at Nirunda Clinic to discover how PRP treatment hair therapy can help restore your hair to its prime. Schedule your assessment today and take the first step toward revitalized hair with hair transplant Bangkok.

References:

1. Androgenetic Alopecia: A Guide to Pattern Hair Loss – ISHRS. (date n.a.). The International Society of Hair Restoration Surgery (ISHRS). Retrieved on November 25, 2025 from https://ishrs.org/androgenetic-alopecia/

2. Platelet-rich plasma for androgenetic alopecia: A review of the literature and proposed treatment protocol. (21 September, 2018). Int J Womens Dermatol. Retrieved on November 25, 2025 from https://pmc.ncbi.nlm.nih.gov/articles/PMC6374694/