August 1994 in “Journal of dermatological science” Mouse hair cells respond to male hormones by growing less, and this can be stopped by certain blockers.
January 1994 in “Skin research” EGF and TGF-α help maintain hair cell cultures, but TGF-β1 stops their growth.
January 1992 in “Proceedings of the New Zealand Society of Animal Production” Ferret hair growth starts between 0 and 4 days after melatonin treatment, with cell growth peaking in the hair germ and declining as the hair matures.
January 1992 in “Biology of the Cell” Retinoic acid receptors are important for hair follicle development.
September 2025 in “Digital Commons - RU (Rockefeller University)” FOXC1 is essential for keeping hair follicle stem cells inactive and maintaining their environment for healthy hair growth.
April 2023 in “Journal of Investigative Dermatology” Blocking casein kinase 1 in skin cells can help melanocyte precursors move better, potentially helping with conditions like vitiligo or gray hair.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Estetrol may help prevent hair loss and promote hair growth in women.
March 2018 in “Digital Access to Scholarship at Harvard (DASH) (Harvard University)” Chronic stress delays hair growth and affects hair stem cells negatively.
September 2016 in “Journal of Dermatological Science” Certain factors can start hair growth in adult skin by making cells communicate and form new hair follicles.
Injecting follicular cells into skin can lead to the formation of new hair follicles.
December 2022 in “Nature Communications” Bead-jet printing of stem cells improves muscle and hair regeneration.
August 2013 in “Nature Reviews Drug Discovery” A protein called FGF9 helps regenerate hair follicles in mice after skin damage, and increasing FGF9 could potentially help human hair growth.
April 2011 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Bald men with male pattern baldness still have hair stem cells, but lack certain cells needed for hair growth.
January 2011 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Bald men with male pattern baldness still have hair stem cells, but lack certain cells needed for hair growth.
January 2011 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Bald men with male pattern baldness still have hair stem cells, but lack certain cells needed to grow hair.
Integrin alphavbeta6 is important for wound healing and hair growth, and blocking it may improve these processes.
January 2008 in “The Year book of dermatology” After skin injury, adult mice can grow new hair follicles, and this process can be increased or stopped by manipulating Wnt signals.
May 2021 in “Journal of Dermatology and Cosmetic” Low-power lasers can prevent hair death and increase hair growth in wounds caused by freezing in rats.
30 citations
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November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” The lipid in human hair follicles acts as a barrier, similar to the skin's lipid layer.
19 citations
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July 1994 in “International Journal of Dermatology” A 9-year-old boy had a calcium deposit nodule on his earlobe.
Melatonin helps grow cashmere goat hair by activating the Wnt10b gene.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Low-intensity ultrasound may protect hair follicles from damage caused by a common chemotherapy drug.
April 2023 in “Journal of Investigative Dermatology” Higher PD-1 levels are linked to fewer immune cells in hair follicles in alopecia areata.
January 2023 in “Figshare” Mouse skin and hair aging starts at 200 days, with changes in hair follicles and more white hairs as signs of aging.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” The early genes of a specific virus can cause abnormal skin cell growth and hair follicle changes.
46 citations
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March 2019 in “Journal of Pineal Research” Melatonin improves cashmere goat hair growth and quality by increasing antioxidants and reducing cell death.
1 citations
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April 2023 in “Journal of Animal Science and Biotechnology” Melatonin helps grow more secondary hair follicles in young goats, improving cashmere production.
173 citations
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January 2014 in “Nature Cell Biology” Wnt signaling controls whether hair follicle stem cells stay inactive or regenerate hair.
131 citations
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July 2009 in “Experimental Dermatology” The document concludes that specific cells are essential for hair growth and more research is needed to understand how to maintain their hair-inducing properties.
54 citations
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October 2002 in “Journal of controlled release” Medium lipophilic substances penetrate skin best, and adding ethanol can increase delivery to hair follicles.