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January 2021 in “Histochemistry and Cell Biology” Cholesterol transport in hair follicles decreases from growth to regression phase.
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July 1993 in “Archives of Dermatological Research” Merkel cells are abundant in facial vellus hair follicles, especially during the anagen phase.
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June 2018 in “Frontiers in pharmacology” Green tea compound EGCG helps mink hair follicles grow by affecting certain cell growth pathways.
Older women's scalp cells show changes that could contribute to hair thinning.
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October 1996 in “Proceedings of the National Academy of Sciences of the United States of America” Estrogen affects hair growth and skin cell multiplication.
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January 2009 in “Journal of Investigative Dermatology” UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.
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July 2015 in “Archives of dermatological research” N1-methylspermidine helps hair growth and reduces inflammation in hair follicles.
February 2026 in “ACS Applied Materials & Interfaces” Carbon dots from Cinnamomum burmannii leaves can promote hair growth and regeneration.
November 2025 in “Journal of Investigative Dermatology” Estetrol may help prevent hair loss and support hair growth in women.
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December 2001 in “Journal of Investigative Dermatology” The osteopontin gene is active in a specific part of rat hair follicles during a certain hair growth phase and might affect hair cycle and diseases.
May 2025 in “Biomedicine & Pharmacotherapy” Hyperbranched polymer dots significantly boost hair regrowth better than minoxidil.
A protein called sFRP4 can partly inhibit hair growth.
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September 2021 in “Current Issues in Molecular Biology” Dexpanthenol helps human hair follicle cells grow by preventing aging and death, and by supporting growth signals.
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April 2007 in “PubMed” Tacrolimus helps mice grow hair by activating hair follicles.
September 2025 in “Journal of the American Academy of Dermatology” Reducing SFRP1 can promote hair growth and may help treat hair loss.
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March 2015 in “Journal of Investigative Dermatology” Cyclosporine A promotes hair growth and prolongs the active growth phase in human hair follicles, but may work differently than in rodents.
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January 2021 in “Annals of Dermatology” 650 nm red light helps hair grow and prevents hair loss by affecting certain genes and biological processes.
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February 2026 in “International Journal of Molecular Sciences” Silencing SFRP1 alone promotes hair growth, but adding DKK1 does not help.
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May 2010 in “Journal of Dermatological Science” Erythropoietin helps hair grow and could be a potential treatment for hair loss.
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January 2016 in “Laboratory Investigation” TR3 is mainly found in hair follicle stem cells and may be involved in hair loss.
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October 2019 in “Biological & Pharmaceutical Bulletin” Houttuynia cordata extract may help hair grow by improving cell survival and increasing cell growth.
January 2024 in “Biological & pharmaceutical bulletin” Panax ginseng extract helps human hair grow by encouraging growth phase transition and cell proliferation while reducing certain protein expression.
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February 2016 in “F1000Research” Understanding glycans and enzymes that alter them is key to controlling hair growth.
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February 2002 in “Journal of theoretical biology” The model showed that randomness accurately describes individual hair growth cycles and that synchronization can cause large fluctuations not seen in humans.
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April 2015 in “International Journal of Molecular Sciences” The research identified genes and pathways important for sheep wool growth and shedding.
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November 2022 in “Journal of Ginseng Research/Journal of ginseng research” Ginsenoside Re from Panax ginseng may prevent hair loss by maintaining autophagy and Wnt signaling in hair cells.
January 2016 in “Faculty of 1000 Research Ltd” Glycans play a crucial role in regulating hair growth and follicle balance.
January 2016 in “Faculty of 1000 Research Ltd” Glycans play a crucial role in regulating hair growth and follicle balance.
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April 2010 in “Developmental Cell” β-catenin in the dermal papilla is crucial for normal hair growth and repair.