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Dermatol Surg. 2019 Jun 17. doi: 10.1097/DSS.0000000000001965. [Epub ahead of print]

Platelet-Rich Plasma and Its Utilities in Alopecia: A Systematic Review.

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Department of Dermatology, University of Michigan, Ann Arbor, Michigan.
Department of Dermatology, Johns Hopkins University, Baltimore, Maryland.



The use of platelet-rich plasma is becoming more prevalent in the field of dermatology. Variable preparation techniques and treatment methods have been described with reported success in alopecia.


To consolidate the available evidence of platelet-rich plasma and its utility in the treatment of alopecia for the practicing dermatologist.


Evaluating the available evidence up to May 31, 2018, a search was conducted in the PubMed database for "platelet rich plasma" or "platelet releasate" or "platelet gel" or "PRP" and "dermatology" or "skin" or "hair" or "cutaneous."


Nineteen articles met the inclusion criteria for analysis including 3 alopecia areata studies with a total of 71 patients and 16 androgenetic alopecia studies with a total of 389 patients. Although the heterogeneity of the studies prevented direct comparisons and subsequent statistical analysis, the majority demonstrated that platelet-rich plasma produced successful hair growth in androgenetic alopecia and alopecia areata.


This review advocates for the use of platelet-rich plasma in 3 to 4 monthly sessions for the treatment of alopecia. Future studies should include a detailed description of the platelet-rich plasma isolation process to allow for comparison among studies, provide reproducibility, and generate a standardized treatment protocol.

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