4 citations
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January 2018 in “Advances in Experimental Medicine and Biology” The document concludes that hair follicles have a complex environment and our understanding of it is growing, but there are limitations when applying animal study findings to humans.
3 citations
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April 2014 in “Journal of Dietary Supplements” CARI ONE helps start hair growth and makes hair follicles bigger and more numerous.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Estetrol may help prevent hair loss and promote hair growth in women.
176 citations
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September 2006 in “Stem Cells” BMP signaling prevents hair growth by stopping stem cell activation.
113 citations
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November 2017 in “Scientific Reports” Tiny particles from stem cells help activate hair growth cells and encourage hair growth in mice without being toxic.
59 citations
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August 1981 in “PubMed” Trichilemmal keratinization is a unique process in hair follicles where the outer root sheath turns into keratin without a specific layer.
47 citations
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July 1997 in “British Journal of Dermatology” The inner root sheath is crucial for hair follicle stability during the transition from growth to involution.
24 citations
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November 2003 in “The FASEB Journal” Epimorphin helps start hair growth in mice.
23 citations
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July 1997 in “British Journal of Dermatology” The inner root sheath is vital for hair follicle stability during growth changes.
22 citations
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July 2019 in “PLOS ONE” Skin lymphatic vessels are essential for hair growth.
20 citations
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November 2019 in “Stem Cells” Hes1 protein is important for hair growth and regeneration, and could be a potential treatment for hair loss.
19 citations
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January 2013 in “International journal of medical sciences” Increasing Wnt5a in mice skin delays hair growth but doesn't stop it.
18 citations
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June 1992 in “Acta Histochemica” Human hair follicles have a unique cell distribution and differentiation pattern during growth.
13 citations
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September 2018 in “Scientific Reports” The research found that a complex gene network, controlled by microRNAs, is important for hair growth in cashmere goats.
12 citations
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March 2021 in “Journal of Investigative Dermatology” TRPM5 is crucial for maintaining hair growth.
10 citations
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November 2008 in “Veterinary Dermatology” The mouse hairy ears mutation causes longer ear hair due to changes in gene expression.
8 citations
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October 2017 in “Dermatology practical & conceptual” A spermidine-based supplement may help hair grow longer by keeping it in the growth phase.
6 citations
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November 2013 in “International Journal of Radiation Biology” Gamma-rays exposure during the resting phase of hair growth can damage hair regeneration and color in mice.
3 citations
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September 2019 in “Clinical and experimental dermatology” Basal cell carcinomas may differentiate similarly to hair follicles and could be influenced by hair cycle-related treatments.
2 citations
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December 2024 in “BMC Genomics” Key genes and pathways control sheep hair growth phases.
October 2023 in “Journal of the Endocrine Society” Estetrol helps keep scalp hair in the growth phase longer and improves hair follicle health by affecting the hair root and increasing stem cells.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists created a detailed map of gene activity in different parts of human hair follicles.
April 2021 in “Journal of Investigative Dermatology” Leontopodium alpinum extract may help reduce hair shedding by keeping hair in the growth phase longer.
April 2021 in “Current Topics in Nutraceutical Research” Citron seed oil may help prevent or treat hair loss by promoting hair growth and increasing hair density.
November 2013 in “Institutional Repositories DataBase (IRDB)” Gamma-ray exposure during hair rest phase harms hair growth and color in mice.
46 citations
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January 1991 in “Journal of Investigative Dermatology” Minoxidil works in liver and outer hair root sheath for hair growth.
24 citations
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September 2001 in “Journal of Dermatological Science” Cyclosporin A helps damaged hair follicles regrow hair quickly.
94 citations
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August 2002 in “Experimental Dermatology” 17α-estradiol boosts aromatase activity in female hair follicles, potentially helping with hair loss.
29 citations
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July 2003 in “Experimental Dermatology” The upper hair follicle is stable, while the lower part allows movement during hair growth.
18 citations
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January 2019 in “Experimental Dermatology” Certain cells outside the hair follicle's bulge area can quickly regenerate damaged hair follicles, potentially helping to reduce hair loss from cancer treatments.