September 2025 in “PubMed” Regenerative hair transplant improves hair growth and quality using stem cells.
14 citations
,
June 2017 in “Immunity” Special immune cells called Treg cells are important for maintaining and regenerating hair by activating a specific growth signal in hair stem cells.
14 citations
,
January 2016 in “Experimental Dermatology” Hair regrowth doesn't convert thin hairs to thick hairs, but increases overall hair density.
February 2026 in “Biochemical and Biophysical Research Communications” Scientists successfully regenerated functional hair follicles using specific stem cells and mesenchymal cells.
34 citations
,
December 1991 in “Annals of the New York Academy of Sciences” The conclusion is that small hair follicles cause baldness in macaques, and treatments like antiandrogens and minoxidil can prevent hair loss and promote regrowth.
7 citations
,
January 2018 in “Journal of Tissue Viability” An 80-year-old patient grew new hair on a wound, showing that elderly people can still regenerate hair.
November 2022 in “Journal of Investigative Dermatology” Growth hormone-releasing hormone (GHRH) boosts hair growth and human scalp hair follicles have their own growth hormone system.
5 citations
,
March 2020 in “Cell and Tissue Banking” Injected cells show potential for hair growth.
January 2026 in “Cosmetics” New regenerative treatments show promise in improving hair growth for androgenetic alopecia.
October 2019 in “Innovative Journal of Medical and Health Science” Certain herbs may help treat hair loss by extending hair growth phases.
5 citations
,
July 2022 in “Genes” Increasing EGR1 levels makes hair root cells grow faster.
23 citations
,
July 1997 in “British Journal of Dermatology” The inner root sheath is vital for hair follicle stability during growth changes.
1010 citations
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August 2000 in “Cell” Hair follicle stem cells can form both hair follicles and skin.
4 citations
,
June 2020 in “British Journal of Pharmacology” Activating TRPV4 in skin cells helps regrow hair in mice, possibly offering a treatment for hair loss.
9 citations
,
January 1998 in “Studia Anglica Posnaniensia: international review of English Studies” Wound-induced hair growth may help study regeneration and aging, but it's unclear if this ability decreases with age.
133 citations
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July 1994 in “Journal of Dermatological Science” Human hair growth can be influenced by certain growth factors and has specific metabolic needs.
50 citations
,
October 1918 in “The journal of experimental zoology” Artificially inducing hair regrowth in mice can change the normal pattern and timing of hair growth, with minimal color differences between old and new fur.
July 2025 in “Journal of Dermatology Research and Therapy” Verteporfin may improve hair regrowth and reduce scarring after hair transplants.
October 2025 in “Cell Reports” Regulatory T cells help hair growth by using the Cxcr4-Cxcl12 pathway.
September 2019 in “Journal of Investigative Dermatology” Researchers successfully used nude mice to study human hair growth, which could help with future hair research.
11 citations
,
January 2013 in “Methods in molecular biology” The method allows for 3D tracking of hair follicle stem cells and shows they can regenerate hair for up to 180 days.
30 citations
,
October 2021 in “Scientific Reports” Inhibiting glycogen metabolism can promote hair growth.
86 citations
,
February 2012 in “Journal of Clinical Investigation” Stem cells in hair follicles are diverse and change throughout the hair cycle.
Transplanted hair follicles can restore function and connect with host tissues.
8 citations
,
January 2015 in “Clinical and Experimental Dermatology” A new model for hair regeneration in mice was created in 2015, which is faster and less invasive than the old method, producing normal hairs in about 21 days.
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicles repair 3D injuries using a 2D healing process.
3 citations
,
January 2020
Growing hair follicles from cultured cells could potentially treat baldness, but more research is needed.
56 citations
,
January 1970 in “Cell and Tissue Research”