July 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” The mesenchyme can start hair growth, but the exact signal that causes this is still unknown.
66 citations
,
August 2001 in “Experimental Dermatology” Human hair follicle cells can grow hair when put into mouse skin if they stay in contact with mouse cells.
10 citations
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June 2019 in “Journal of Tissue Engineering and Regenerative Medicine” Scientists successfully grew new hair follicles in regenerated mouse skin using mouse and human cells.
1 citations
,
June 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” Reprogramming 3D environments can create hair follicles in the lab.
231 citations
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October 1999 in “Journal of Clinical Investigation” Activating the Sonic hedgehog gene in mice can start the hair growth phase.
14 citations
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September 2001 in “Archives of Dermatological Research” Blocking hair follicle development stops key gene signals needed for hair growth in mice.
1 citations
,
January 2023 in “Frontiers in veterinary science” Activating autophagy in dogs with certain diseases improves their skin and hair.
1 citations
,
March 2019 in “International Journal of Molecular Medicine” Mouse hair follicle cells can become heart-like cells without genetic changes.
October 2025 in “Clinical Case Reports” PRP injection for hair growth can cause reversible vision loss due to inflammatory optic neuropathy.
42 citations
,
August 2008 in “Stem Cells and Development” Hair follicle cells can help regenerate teeth.
3 citations
,
May 2010 in “Archives of dermatology” Herpes zoster infection can cause permanent hair color change in the affected area.
January 2024 in “Aging medicine” A COVID-19 infected patient with chronic kidney disease experienced worsened kidney function, hair loss, and unexpected wart clearance.
4 citations
,
June 2021 in “Journal of Microbiology and Biotechnology” Ginsenoside Rg4 from ginseng may help hair growth by activating certain cell signals.
42 citations
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June 2019 in “Aging” 3,4,5-tri-O-caffeoylquinic acid promotes hair growth by activating the β-catenin pathway.
8 citations
,
November 2024 in “Phytomedicine” Isoquercitrin helps hair grow by activating certain cell processes.
Botulinum toxin A helped stop hair loss and grow new hair in mice.
6 citations
,
November 2020 in “Molecular and Cellular Endocrinology” Androgens reduce BMP2, which weakens the ability of certain cells to help hair stem cells become different types of cells.
1 citations
,
December 2017 The study suggests that treating early hair loss with Nourkrin® with Marilex® can help prevent further hair loss and may be linked to reducing the risk of lifestyle diseases.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” N-acetyl-GED may help prevent and partially reverse a process that leads to scarring hair loss.
1 citations
,
July 2025 in “Scientific Reports” CD133+ cells are crucial for hair growth.
2 citations
,
December 2015 in “Journal of dermatology” β-interferon injections for melanoma can cause excessive hair growth at the injection sites.
194 citations
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March 2003 in “American Journal of Pathology” Stress stops hair growth in mice by causing early hair growth phase end and harmful inflammation through a specific nerve-related pathway.
36 citations
,
October 2007 in “Journal of Investigative Dermatology” Betacellulin helps blood vessel growth in wounds but delays hair growth.
January 2018 in “Belarusian State Pedagogical University repository (Belarusian State Pedagogical University)” Adipose-derived stem cells can be used to create cells that help grow new hair.
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.
5 citations
,
September 2016 in “Journal of Cosmetic Dermatology” Nourkrin® with Marilex® may increase hair count by 35.7% in postpartum hair loss.
6-Gingerol can slow down hair growth by affecting certain proteins.
92 citations
,
February 2005 in “Endocrinology” Estrogen receptors affect hair growth, with ER beta slowing down the hair cycle changes caused by ER alpha.
7 citations
,
January 2016 in “PubMed” Delphinium staphisagria seeds can promote hair growth safely by increasing blood vessel formation.
2 citations
,
May 2023 in “Plants” Allium hookeri extract may help promote hair growth and protect cells from damage.