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Hair Loss
Platelet Rich Plasma for Hair Loss

Platelet-Rich Plasma Therapy for Hair Growth

What is Platelet-Rich Plasma (PRP) Therapy?
Platelet-Rich Plasma (PRP) Hair Growth Therapy is a cutting-edge procedure. The treatment uses a patient’s own blood and thus poses no risk of allergy. The PRP treatment has the effect of amplifying your innate natural healing power and tissue reorganization potential. This technique uses the body’s platelets (found in plasma, a component of our blood) to potentiate the body’s healing process.

Platelets play a role in stopping bleeding and repairing damaged blood vessels and cells. They contain substances called growth factors that repair the body. These growth factors, when released (injected into the scalp), stimulate hair follicles to regrow hair. At least 8 essential growth factors are found in platelets. With PRP we concentrate these growth factors to five times more than normal and introduce them to needed areas to help rejuvenate and grow longer, thicker hair strands.

Who can benefit from PRP Therapy?
PRP Therapy has been used for many years to help the body heal from athletic injuries. It is commonly used to stimulate collagen formation in antiaging treatments and has been proven to lessen acne scarring and stimulate growth of new tissue. We also use PRP to improve “stretch marks” on the body.

Recent scientific data has shown that PRP Therapy can aid in the treatment of hair loss. It works equally well in men and women and treats all types of hair loss, including scarring alopecia. Patients with thinning eyebrows can also benefit from this procedure.

How is the procedure performed?
A small amount of your blood is drawn, placed in a sterile tube, and spun in a centrifuge to separate the PRP. This process concentrates the platelet count to five times more than normal. The PRP is then extracted from the tube and injected into the areas of concern. A Zimmer cooling machine will be used to cool the scalp during the injections, which diminishes any pain. (This technique is an advanced version of what we first used for scalp PRP treatments.)

How many PRP treatments will I need for hair growth?
A series of 4 to 6 treatments, at 4 weeks intervals, is recommended for best results. Follow up treatments twice a year are generally required for maintenance.

Is PRP Therapy Safe?
Yes. There is no risk of an allergic reaction or rejection since the PRP is derived is from your own blood.

How long is a PRP Scalp treatment?
Each procedure takes less than one hour.

Does PRP Therapy hurt and what will I look like after the treatment?
Patients will feel the pressure of injections during the treatment. A Zimmer cooling machine will be used during the procedure to minimize any discomfort. Your scalp will look red immediately following your treatment; this redness will diminish in a few hours but may last up to 48 hours.

How long does it take to see results?
The number of treatments required will depend on how you respond to the sessions and the extent of the problem being treated. Usually improvement is apparent after your second treatment.

How should I prepare for my PRP Therapy with Dr. Davis?
In preparation for your treatment, Dr. Davis advises you to wash your hair and not to use any hair products the day of your appointment.

Is there any special care that needs to be taken after a PRP Scalp treatment with Dr. Davis?
Patients are advised to leave the PRP solution on the scalp overnight. You can wash it off the following day with a gentle shampoo. It is important to avoid sun exposure and sweaty activities for at least 48 hours after your procedure.

Who should not have treatment with PRP Therapy?
We recommend avoiding this treatment if you (are):

  • Pregnant or nursing
  • Have taken isotretinoin (Accutane) in the past 6 months.
  • Have open wounds, cuts, or abrasions on the skin being treated
  • Have any current skin infections or herpes simplex in the treatment area
  • Have significant redness in the area of treatment from skin conditions such as actinic keratoses, eczema, psoriasis, rosacea etc.
  • Treating skin that is recovering from a cosmetic procedure (e.g. chemical peel, laser resurfacing etc.).
  • Have a history of keloid scars
  • Diabetic or on immune-suppressive therapies; consent needs to be authorized by your primary physician

Patients with the following conditions should not receive this treatment:

  • Scleroderma
  • Collagen vascular disease




69 Fifth Ave at 14th Street, New York, NY 10003
Tel. 212-242-3066