How Does the PRP Treatment Work?
PRP hair restoration is an in-office treatment that lasts about 30-45 minutes and typically requires no significant downtime. PRP is created by drawing a small amount of blood from your arm or hand, taking little as 5 mLs or as much as 22 mLs of blood depending on the area of treatment.
In comparison, a typical donation to the Red Cross represents about 300-500 mLs of blood. The blood is collected and placed in a sterile, FDA approved container designed to process out the platelets and growth factors.
The blood samples are placed into a centrifuge and spun at high speed until they separate into three layers based on density: platelet poor plasma (PPP), platelet-rich plasma (PRP), and red blood cells (RBCs). PRP is isolated from the other components and prepared for injection. Because PRP comes from your body there is no need for blood typing or risk of rejection.
Dr. Kolstad injects the PRP into the scalp where thinning has occurred. Typically, a couple dozen injections are required in order to distribute the PRP throughout the frontal, temporal and occipital regions. For some patients, these injections may be uncomfortable.
Dr. Kolstad prefers to use scalp cryocooling, technology releasing cold air (43-60°F) onto the skin, to minimize the discomfort caused by the injections by numbing the area.
Many of our patients ask if it would be easier to lay the PRP on the surface of the skin and avoid the injections. Topical application of PRP has been shown to improve healing after micro needling and CO2 laser treatments.
Topical PRP may be successful in hair regeneration but Dr. Kolstad believes that injecting PRP beneath the skin allows a greater concentration of plasma to reach the hair follicles. The hair matrix lays in the deepest layer of the skin, just above the subcuticular fat, and topical application of PRP may not penetrate this deep.
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