46 citations
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March 2015 in “Regeneration” Mice can grow new hair follicles after skin wounds through a process not involving existing hair stem cells, but requiring more research to understand fully.
January 2006 in “Chinese Journal of Dermatology” Latanoprost helps pig hair follicles grow faster by keeping them in the growth phase longer.
4 citations
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December 2015 in “Journal of Medicinal Plants Research” A plant mixture extract helped grow hair by boosting cell growth and growth factors while blocking a hair loss-related enzyme.
114 citations
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October 1996 in “Dermatologic clinics” Hair loss is mainly caused by hormones, autoimmune issues, and chemotherapy, and needs more research for treatments.
July 2024 in “Biological and Pharmaceutical Bulletin” Licorice extract helps hair growth and may treat hair loss.
February 2026 in “International Journal of Molecular Sciences” Removing Lrig1-positive cells in mice leads to temporary loss of sebaceous glands.
11 citations
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October 2017 in “Journal of Investigative Dermatology” Applying certain inhibitors to the skin can promote hair growth without harming cells.
October 2012 in “Institutional Repositories DataBase (IRDB)” Stem cell treatment can effectively regrow hair.
April 2025 in “Asian Journal of Surgery” 
3 citations
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June 2018 in “Australasian journal of dermatology” Eight people with severe hair loss grew their hair back naturally.