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,
September 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.
