29 citations
,
January 2018 in “International Journal of Trichology” PRP treatment helps hair growth and density with 70.7% success, but more research needed.
27 citations
,
June 2019 in “Aesthetic Plastic Surgery” Platelet-Rich Plasma (PRP) treatment may increase hair growth for genetic hair loss, but more research is needed to confirm this.
July 1997 in “The Lancet” Finasteride increased hair count and regrowth in men with hair loss but also caused more sexual side effects than placebo.
January 2012 in “The Journal of Practical Medicine” Chinese Han individuals have fewer hair follicles and hairs than Caucasians and Africans.
42 citations
,
December 1990 in “The Journal of Dermatologic Surgery and Oncology” The study found that horizontal sections of scalp biopsies are better for analyzing hair loss, showing fewer hairs and more fine hairs in balding areas.