PRP hair treatment may help increase hair density substantially, with research showing that 84% of studies found improvements in hair thickness for both men and women. This piece walks you through what to expect during each phase of PRP hair restoration, from your original session through peak results.
Understanding PRP Hair Restoration Before Treatment
An Overview of PRP Therapy and How It Works
Your blood contains two main components: red blood cells and plasma. Plasma itself consists of white blood cells and platelets, which play roles beyond just clotting. Platelet-rich plasma forms when your blood sample gets processed to concentrate platelets at levels two to six times higher than what circulates in your bloodstream naturally [1]. These concentrated platelets contain multiple growth factors that signal your body’s cells to perform specific functions, especially around healing, tissue regeneration, and extending the growth phase of your hair cycle.
Blood vessel formation represents another mechanism through which PRP for hair loss may work. The growth factors can stimulate new blood vessel development around hair follicles and bring increased oxygen and nutrients to support growth [3].
The Three-Step PRP Process for Hair Loss
PRP injections follow a standardized protocol, regardless of the facility that performs your treatment. Your Beauty Vault provider draws between 10 and 60 milliliters of venous blood from your arm and places it into a centrifuge, which spins at high speed to separate the blood into three distinct layers based on density [1].
The bottom layer contains red blood cells with some white blood cells, the middle layer holds the platelet-rich plasma, and the top layer becomes platelet-poor plasma. Your provider extracts the middle PRP layer, which releases its growth factors within 10 minutes after activation, so it gets used immediately for maximum effectiveness [1].
Your Beauty Vault provider injects the PRP very superficially into your scalp skin in areas experiencing hair loss [4]. Sessions commonly allow for up to 120 injection sites [4]. You might receive topical numbing cream, local anesthesia, or nitrous oxide gas to reduce discomfort [4][3]. The whole appointment typically lasts between 30 and 60 minutes from start to finish [6][6].
Months One to Two: Initial Treatment Phase
Your First PRP Injection Session
The actual injection phase takes about 15 to 30 minutes, depending on the size of your treatment area [6]. You can return to work and resume most normal activities right afterward, making PRP hair restoration a convenient option for busy schedules [9].
Post-Treatment Side Effects
The most common reactions occur at injection sites and resolve without medical intervention. Some form of mild discomfort affects between 10% and 30% of patients after their sessions [3]. You may notice:
- Pain or tenderness where needles entered your scalp.
- Swelling or puffiness around your hairline or crown.
- Redness and mild bruising.
- Mild bleeding that stops within minutes [3].
These symptoms peak during the first 24 to 48 hours, then disappear within two to five days [3][10]. The discomfort occurs because your scalp has been punctured multiple times to deliver the plasma close to your hair roots. Some patients also report mild itching, tingling, dryness, or a tight feeling across their scalp [3][10]. These sensations indicate your scalp is healing and fade as the microscopic injuries repair themselves.
Your Beauty Vault provider will recommend avoiding hair washing for at least 12 to 24 hours, strenuous exercise, swimming, and direct sun exposure during the original recovery period [6][10]. You should also skip anti-inflammatory medications like ibuprofen or naproxen for up to two weeks after treatment, as these can interfere with the growth factors PRP releases [8].
Early Scalp Changes and Shedding Phase
Many patients notice reduced daily shedding during the first month rather than visible new growth [11]. This early stabilization signals that your follicles are responding to treatment. Some people experience the opposite: increased hair loss beginning around two to six weeks after their first session [3][8]. This phenomenon can last up to eight weeks [8][6].
The shedding happens because PRP injections flood your scalp with growth factors that push resting follicles into a new growth cycle [6]. Old, weakened hairs fall out to make room for thicker, healthier strands [8][6]. This temporary loss may indicate that miniaturized hairs are leaving your scalp quickly to regrow as stronger hairs [6]. The process varies based on how many dormant follicles need reactivation [8].
Second and Third Treatment Sessions
Most treatment protocols require three sessions spaced about four weeks apart [8][12][13]. This phased approach provides repeated stimulation necessary for sustained follicular improvement [12]. Each subsequent session follows the same procedure as your first appointment, with similar side effects and recovery timelines.
Months Three to Four: Early Visible Results from PRP Injections
First Signs of Hair Regrowth
The three-month mark represents a milestone moment for most patients. You should start observing new fine hairs after completing your original treatment series. These hairs, often described as peach fuzz, emerge in areas that were thinning before. This timing lines up with the minimum period required for a new hair to break through your scalp surface and become visible to the naked eye.
Your existing hair may appear much thicker during this phase. Many patients report that their hair feels denser to the touch and displays a natural shine that had diminished during hair loss. The improved texture is often noticeable before you even spot actual new growth. Your hair may also hold styles better and feel stronger when you brush or wash it.
Changes in Hair Density and Thickness
The fourth month marks when full results begin showing. Growth factors and stem cells have had sufficient time to regenerate hair follicles at a deeper level. You’ll notice more pronounced improvements in both thickness and overall density during this period.
Months Five to Six: Peak Results and Maximum Hair Growth
Substantial Improvements in Hair Count
Most patients reach the peak of their PRP hair restoration results between months five and six. Studies tracking patients through six months show hair count and density increase substantially above the three-month standards already established [14]. Sustained growth factor activity makes hair look even fuller across previously thinning zones.
Research comparing PRP-treated areas to control zones at six months demonstrates the continued superiority of the treated scalp. Hair diameter measurements also show substantial improvements at both three and six-month evaluations, with the increases persisting through the half-year mark [3]. Your hairline and crown regions display the most dramatic changes during this period, with coverage reaching levels you may not have experienced in years.
Thinking Over Maintenance Treatments
Results from PRP injections for hair loss may last one to two years without additional sessions [16]. The benefits fade over time as androgenetic alopecia continues its natural progression, but maintenance treatments every 6 to 12 months help sustain the gains you’ve achieved [17][18]. In fact, some patients schedule booster sessions every three to six months, depending on how quickly thinning returns [18]. Hair density begins declining sixteen months after your last session without these follow-up treatments [14].
Factors That Influence Your PRP Hair Restoration Results
Age and Severity of Hair Loss
Younger patients experience greater density gains from PRP hair loss treatment. Older patients may require more sessions to achieve comparable results. Specifically, the 65-plus age group averaged fourteen treatments versus seven sessions for younger cohorts [6]. Also, early-stage hair loss responds bettter than advanced baldness [20].
Combining PRP with Minoxidil or Finasteride
Combination therapy can increase results beyond PRP injections for hair loss alone. Studies show that combining PRP with minoxidil increased hair density by 32% compared to 12% with PRP monotherapy [21]. Similarly, 100% of patients receiving both treatments reported improvements versus 87% using minoxidil alone [8]. The treatments appear to work well together, with each of them addressing different pathways [21].
Lifestyle Factors Affecting Treatment Success
Your body’s response depends in part on your overall health status. Smoking reduces both PRP volume and stem cell functionality [22]. Avoiding NSAIDs for five days before and after treatment preserves platelet activity [23]. Adequate hydration and B-vitamin intake support red blood cell production and potentially improve PRP quality [22]. Patients receiving more adjunctive therapies also experienced greater density improvements [6].
The Beauty Vault Can Support You Throughout Your PRP Treatment Cycles
PRP hair restoration may offer meaningful improvements if you experience hair thinning, especially when you start treatment early. If you try it, you might be encouraged by the improvement of your hair cycle from one month to the next.
However, results can vary substantially based on many different factors. Now that you know how PRP works and what you can expect from it, come to the Beauty Vault in West Hollywood to discuss your specific needs and expectations so that they can create a personalized treatment plan. Get started today by calling us at (323) 800-6770 or filling out a contact form
FAQs
Q1. How long does it take for hair shedding to stop after PRP treatment? Many patients experience temporary increased shedding starting around two to six weeks after their first PRP session, which can last up to eight weeks. This shedding phase is actually a positive sign that dormant follicles are being pushed into a new growth cycle. After this initial period, most people notice reduced daily hair loss during the first month, with stabilization continuing through months three to four as new growth emerges.
Q2. What are the early signs that PRP treatment is working? The first noticeable sign is typically reduced daily hair shedding within the first month. Around the three-month mark, you’ll start seeing new fine hairs (peach fuzz) emerging in thinning areas. Your existing hair may feel thicker, denser to the touch, and display more natural shine. By month four, you should observe measurable improvements in hair density and thickness.
Q3. Why might PRP treatment not work for some people? Several factors can cause PRP to be less effective, including advanced-stage hair loss where follicles are completely dormant, low natural platelet counts, older age, smoking, and certain medications like NSAIDs or blood thinners. Additionally, chronic health conditions, poor lifestyle factors, and inadequate treatment protocols can reduce effectiveness.
Q4. Can PRP completely reverse baldness or only slow hair loss? PRP works best for thickening and strengthening existing hair follicles rather than regenerating completely dormant ones. It’s most effective for early-stage androgenetic alopecia where some active follicles still remain, even if producing thin hair. The treatment can transform miniaturized vellus hairs back into thicker terminal hairs and increase hair density, but it cannot restore hair in areas that have been completely bald for extended periods.
References
[1] – https://pmc.ncbi.nlm.nih.gov/articles/PMC8922312/
[2] – https://health.osu.edu/health/skin-and-body/prp-for-hair-loss
[4] – https://ishrs.org/patients/treatments-for-hair-loss/medications/platelet-rich-plasma/
[6] – https://pmc.ncbi.nlm.nih.gov/articles/PMC12215437/
[8] – https://pmc.ncbi.nlm.nih.gov/articles/PMC10768946/
[9] – https://www.emjreviews.com/dermatology/news/platelet-rich-plasma-injections-boost-hair-growth/
[10] – https://pmc.ncbi.nlm.nih.gov/articles/PMC10599155/
[11] – https://www.grandpearlspa.com/prp-hair-treatment-results-what-to-expect/
[13] – https://evolvedhair.com.au/prp-treatment-timeline-how-many-sessions-are-right-for-you/
[14] – https://pmc.ncbi.nlm.nih.gov/articles/PMC4622412/
[16] – https://www.drsukkar.com/blog/prp-hair-treatment-and-restoration/
[18] – https://www.alviarmani.com/evidence-based-prp-hair-treatment-frequency/
[19] – https://pmc.ncbi.nlm.nih.gov/articles/PMC8664176/
[20] – https://pmc.ncbi.nlm.nih.gov/articles/PMC12506585/
[21] – https://pmc.ncbi.nlm.nih.gov/articles/PMC8923145/
[22] – https://sunshinehealth.net/health-articles/improve-prp-results/
