TLDR The expected density of a hair transplant depends on the number of hair follicles transplanted and the thickness of the hair.
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August 2014 in “Journal of clinical & experimental dermatology research” Platelet-released growth factors can treat hair loss by activating hair follicle stem cells, blocking certain pathways, and controlling inflammation and fibrosis.
14 citations
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October 2010 in “Annals of Plastic Surgery” Hair restoration has evolved from surgery to drugs to potential gene therapy, with improved results and ongoing research driven by high demand.
