58 citations,
January 1987 in “Archives of Dermatological Research” EGF and FGF boost hair cell growth, hydrocortisone slows it, and minoxidil doesn't affect it.
12 citations,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain sex hormones and antiandrogens can either slow down or speed up the growth of human hair follicle cells depending on their concentration.
43 citations,
January 2016 in “Cellular physiology and biochemistry” Epidermal Growth Factor helps hair follicle cells grow and move by activating a specific cell signaling pathway.
25 citations,
July 1994 in “Journal of dermatological science” Testosterone affects hair follicles differently across body sites, with beard hair follicles showing more activity of a specific enzyme and presence of androgen receptors compared to scalp hair.
June 2014 in “Biotechnology and Bioprocess Engineering” Injecting lab-grown hair cells into the scalp can regrow hair.