Ryan Welter, MD, Ph.D., of Regeneris Medical Boston, has introduced a novel way to stimulate hair growth in men and women using growth factors from High Density Platelet Rich Plasma (HDPRP) introduced to the scalp via a novel 1,927 nm fractional thulium laser system bypassing the traditional route of scalp injections.
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Beginning with a 60 cc blood draw, highly concentrated platelet-rich plasma isolate is obtained in the lab. The patient’s platelets are activated to begin the migration of alpha granules from within the platelets to fuse with the exterior platelet membrane. Platelet alpha granules are rich in potent growth factors that typically help with healing after trauma. However, many of these same growth factors have been shown in clinical studies to stimulate hair growth. Once the alpha granules reach the membrane of the platelets, they shed the hair stimulating growth factors into the surrounding plasma, where they are free to interact with other cells, including the intricate cells lining hair follicles.
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Getting the growth factors to the hair follicle has been the primary hurdle of platelet-rich plasma, which has typically been done by needle injection. Dr. Welter and his team overcame this through the use of a 1,927 nm fractional thulium laser, which exfoliates dermal tissue on the scalp and creates micropores that can absorb the plasma isolate rich in HD-PRP growth factors.
“The Thulium laser has a higher coefficient for water than conventional 1,550 nm fractional lasers, which lends to a greater ability to precisely target the epidermis with a penetration of 200 micrometers, lending to better platelet isolate absorption, which ultimately results in improved follicular stimulation and hair growth,” said Dr. Welter about the laser technology.
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