20 citations,
July 2006 in “Veterinary dermatology” Melatonin helped some Pomeranian dogs regrow hair, but it wasn't linked to estrogen receptors.
17 citations,
January 2006 in “Veterinary Dermatology” Topical melatonin and brushing did not affect hair regrowth in Siberian Huskies.
October 2020 in “Revista médica sinergía/Revista médica sinergia” Alopecia areata is a complex condition causing hair loss, linked to genetics and immune system issues, and may be related to other autoimmune diseases; treatments vary in effectiveness.
February 2014 in “Medicine - Programa De Formación Médica Continuada Acreditado” The document concludes that non-scarring alopecias can be reversed, but scarring alopecias cause permanent hair loss.
98 citations,
May 2008 in “Archives of Dermatological Research” Eclipta alba extract helps hair grow faster and more effectively than minoxidil in rats.