January 2012 in “Zhongguo linchuang xinlixue zazhi” Chronic stress delays hair growth in mice, but antioxidants can help reverse this.
41 citations
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November 2013 in “Experimental Dermatology” Leptin, a hormone, is important for starting hair growth.
12 citations
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June 2006 in “Journal of Dermatological Science” Interleukin 6 helps hair grow.
November 2022 in “Journal of Investigative Dermatology” Butyrate helps hair grow longer, improves hair cell health, increases pigment production, and boosts hair's natural defenses.
10 citations
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April 2020 in “PloS one” Lack of Crif1 in hair follicle stem cells slows down hair growth in mice.
106 citations
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June 2005 in “Journal of Investigative Dermatology” The document concludes that assessing hair follicle damage due to cyclophosphamide in mice involves analyzing structural changes and suggests a scoring system for standardized evaluation.
24 citations
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September 2014 in “PloS one” Thyroid hormone receptors are essential for hair growth and wound healing.
73 citations
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November 2000 in “Proceedings of the National Academy of Sciences of the United States of America” There are two ways to start hair growth: one needs Stat3 and the other does not, but both need PI3K activation.
April 2018 in “Journal of Investigative Dermatology” Id2 gene helps keep hair follicle stem cells inactive.
August 2016 in “Journal of Investigative Dermatology” Human hair follicles have a scent receptor that can influence hair growth.
60 citations
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October 2005 in “Experimental Dermatology” Zinc can both inhibit and stimulate mouse hair growth, and might help recover hair after chemotherapy.
August 2025 in “Journal of the Korean Society of Cosmetology” Gymnema sylvestre leaf extract can slow hair growth.
September 2024 in “Acta Medica Philippina” Radiation from a medical procedure caused temporary hair loss, but hair regrew with treatment.
March 2018 in “Digital Access to Scholarship at Harvard (DASH) (Harvard University)” Chronic stress delays hair growth and affects hair stem cells negatively.
71 citations
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January 2015 in “Journal of molecular cell biology/Journal of Molecular Cell Biology” mTOR signaling helps activate hair stem cells by balancing out the suppression caused by BMP during hair growth.
6 citations
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September 2024 in “Frontiers in Physiology” Overexpression of R-spondin 3 leads to sparse hair and impaired hair regeneration.
March 2025 in “International Journal of Molecular Sciences” The study created a mouse model to better understand hair follicle stem cells' role in hair growth and repair.
October 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” Blocking cell death in hair follicles can lead to impaired hair growth.
January 2000 in “Cambio 16” Bcl-2 affects hair growth and pigmentation by controlling cell death.
25 citations
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September 2018 in “Scientific Reports” Morroniside may help hair grow and stay in its growth phase by affecting certain cell signals.
1 citations
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September 2016 in “Journal of Dermatological Science” FGF18 treatment during hair's resting phase can protect against hair loss from radiation.
109 citations
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April 1998 in “Journal of Investigative Dermatology” HGF/SF injections can stimulate hair growth and increase hair follicle size in mice.
September 2017 in “Journal of Investigative Dermatology” Ovol2 is essential for normal skin and hair regeneration.
184 citations
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November 2014 in “Developmental Cell” Hair follicle dermal stem cells are key for regenerating parts of the hair follicle and determining hair type.
55 citations
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March 2010 in “Aging” Circadian clock genes are important for hair growth and may affect aging-related hair loss and graying.
52 citations
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January 2003 in “Journal of Investigative Dermatology” Thrombospondin-1 is crucial for hair follicle regression and reduced blood vessel growth during the catagen phase.
48 citations
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June 2013 in “Journal of Dermatological Science” Valproic acid may help hair grow and could be a safe treatment for hair loss.
22 citations
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May 2011 in “Molecular Biology of the Cell” Integrin-linked kinase is crucial for normal skin healing.
17 citations
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November 2001 in “Journal of Investigative Dermatology Symposium Proceedings” Stat3 is essential for hair growth and wound healing.
11 citations
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March 2001 in “Clinics in Dermatology” Hair microscopy is useful for diagnosing hair disorders, but clear definitions are needed for accurate genetic analysis.