PRP Injections for Hair Loss

PRP (Platelet-Rich Plasma) therapy for hair loss can be helpful—but it’s not a magic fix, and it’s definitely not for everyone. Whether it’s “right” for you depends on a few key factors.

PRP uses your own blood. A doctor spins it to concentrate growth factors, then injects it into your scalp. The idea is to:

• Stimulate dormant hair follicles
• Improve blood supply and circulation
• Slow down shedding

It’s more about boosting existing hair than regrowing completely lost hair. PRP tends to work best as a “preservation + thickening” treatment, not a full restoration.

A PRP (Platelet-Rich Plasma) therapy session for hair loss is typically an outpatient procedure that takes about 45–90 minutes. Here's what you can generally expect:

1. Consultation and Preparation

Before treatment, your provider will:

• Examine your scalp and discuss your hair loss pattern.
• Review your medical history and any medications or supplements you're taking.
• Take baseline photographs to help track your progress over time.

2. Blood Draw

A small amount of blood (usually 10–60 mL, depending on the system used) is drawn from your arm, similar to a routine blood test.

3. PRP Preparation

Your blood is placed in a centrifuge, which spins it to separate the platelet-rich plasma from the other blood components. This process usually takes about 10–20 minutes.

4. Scalp Preparation

The treatment area is cleaned, and many clinics apply a topical numbing cream or use a local anesthetic to make the injections more comfortable.

5. PRP Injections

The concentrated PRP is injected into areas of thinning hair using a series of small injections across the scalp. You may feel:

• Mild pinching or pressure
• Brief stinging with each injection

The injection portion usually takes 15–30 minutes.

After the procedure, most people can return to normal daily activities right away. You may notice:

• Mild tenderness or soreness
• Redness
• Swelling
• Small pinpoint spots where injections were given

These effects typically resolve within 1 to 3 days. Your provider may recommend that you avoid washing your hair for about 12 to 24 hours, and avoid strenuous exercise, swimming, saunas, or excessive sun exposure for 2 to 3 days.

You’ll need to avoid anti-inflammatory medications (such as ibuprofen or naproxen) for a period before and after treatment if advised, since they may interfere with the inflammatory healing response that PRP is intended to stimulate. You’ll be given clear, easy-to-follow instructions following your procedure.

After your injections, hair growth is gradual. Many people notice:

• Reduced shedding in around 2–3 months.
• Improved thickness and density in around 3–6 months.

After completing the initial treatment series, patients will need continued maintenance to help sustain results.

Because PRP works by stimulating existing hair follicles, results tend to be best for people with early to moderate thinning rather than areas where hair follicles are no longer active. Your provider can help determine whether PRP is likely to benefit your specific type of hair loss.

PRP (Platelet-Rich Plasma) therapy has become a popular treatment for certain types of hair loss because it uses your body's own healing factors to stimulate hair follicles. While results vary from person to person, many people experience meaningful improvements, especially when treatment begins early. PRP can help reduce excessive shedding by stimulating weakened hair follicles, making it particularly beneficial for people with early-stage hair thinning.

Rather than creating entirely new hair follicles, PRP often helps existing hairs become thicker and stronger, improving overall hair density.

Because PRP is prepared from your own blood, there's no risk of allergic reactions or rejection.

•  The procedure involves only blood collection and scalp injections. It doesn't require surgery, incisions, or general anesthesia.
• Most people return to work or their normal activities the same day, with only mild scalp soreness or redness that typically resolves within a few days.
• It can complement other hair-loss treatments PRP is often combined with treatments such as:
• Topical minoxidil (Rogaine®)
• Oral finasteride (for appropriate candidates)
• Low-level laser therapy
• Hair transplantation (to potentially support healing and graft survival)

Using multiple evidence-based treatments may produce better results than relying on PRP alone.

PRP tends to work best for people who have early to moderate male or female pattern hair loss (androgenetic alopecia) and still have functioning hair follicles in thinning areas. It’s ideal for those who want to preserve and strengthen existing hair and are looking for a non-surgical treatment option.

A consultation with a dermatologist or hair restoration specialist can help determine whether PRP is appropriate for your type of hair loss and whether it should be combined with other treatments to maximize your results.

The ideal schedule for PRP (Platelet-Rich Plasma) therapy varies based on your hair loss, treatment response, and your provider's recommendations. However, most treatment plans follow a similar pattern. Most people begin with 3 to 4 treatments spaced 4 to 6 weeks apart.

This initial series is designed to stimulate hair follicles and establish the best chance for improvement. After the initial series, many providers recommend a treatment every 4 to 6 months.

Some people with stable results may only need maintenance every 6–12 months, while others benefit from more frequent sessions.

Your provider may adjust your treatment frequency based on:

• The cause and severity of your hair loss
• Your age and overall health
• How well you respond to the first few treatments
• Whether you're also using treatments like minoxidil or finasteride

PRP does not permanently stop hair loss. If treatments are discontinued, the benefits often diminish over time, and hair thinning may gradually resume. Maintenance sessions help sustain the improvements you've achieved. Your provider will typically monitor your progress through scalp examinations and photographs to determine whether your treatment schedule should be adjusted.

The exact number and frequency of treatments should be personalized, so it's a good idea to discuss your goals and expected timeline before starting therapy.