Dr. Kahen is a world-renowned hair transplant specialist who has performed thousands of hair transplant procedures, including for many celebrities and international clients. His scientific approach is ...
LOS ANGELES, CA / ACCESSWIRE / April 12, 2023 / Dr. John Kahen has recently announced the issuance of a U.S. patent (no. 10,456,422-B2) for his Smart PRP® (Platelet-Rich Plasma) therapy, a ...
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