January 2006 in “Chinese Journal of Dermatology” Mesenchymal cells are essential for hair follicle stem cell growth.
January 2002 in “Basic medical sciences and clinics” Hair follicle stem cells are crucial for hair growth and renewal.
April 2000 in “Chinese Journal of Dermatology” Epidermal growth factor (EGF) boosts hair follicle growth and speeds up hair cycle transition.
November 2025 in “Scientific Reports” COVID-19 may cause hair loss by affecting hair follicles.
November 2025 in “Journal of Investigative Dermatology” BTNL2 helps protect hair follicles from immune attacks.
November 2025 in “The Journal of Immunology” BTNL2 helps protect hair follicles from immune attacks, which could aid in treating alopecia areata.
March 2024 in “International Journal of Cosmetic Science” Dandruff is linked to increased T cells and weakened immune protection in hair follicles.
September 2023 in “The Journal of Dermatology” Transplanting one's own hair follicle cells can improve hair loss in men and women, and is particularly effective in women.
May 2019 in “Journal of Clinical Dermatology” Metformin helps hair growth by affecting cell signals related to hair follicle development.
September 2017 in “Journal of Investigative Dermatology” Stabilizing HIF-1A in hair follicles may reduce oxidative stress and promote hair growth by increasing glycolysis.
March 2007 in “Journal of Plastic Reconstructive & Aesthetic Surgery” A new method was developed to create better skin models for healing and reconstruction.
IGF-I and EGF together boost sheep hair follicle growth.
September 2001 in “Connective tissue” Type XII and XIV collagens help maintain hair follicle structure in bovine skin.
January 2001 in “Biomedical Research” THH and PAD type III appear together early in hair growth, but deiminated THH appears later, suggesting another factor is involved.
January 2022 in “Biomedical Reports” Inaudible sound at 30 kHz can boost hair growth and decrease hair loss by promoting cell growth and reducing cell death in hair follicles.
September 2011 in “Clinical Biochemistry” Certain sugars increase in some layers of the hair follicle during the middle of the healing process in rats, which may help improve healing.
15 citations
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September 2012 in “PTR. Phytotherapy research/Phytotherapy research” Ginsenosides Rb₁ and Rd may help prevent hair loss by promoting hair cell growth.
3 citations
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April 2015 in “Current problems in dermatology” A more sensitive assay was developed to detect enzyme activity converting arginine to citrulline in hair follicles.
1 citations
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July 2017 in “Microscopy and Microanalysis” Iron oxide nanoparticles mainly enter the skin through hair follicles and sebocytes, not the dermis.
November 2022 in “Journal of Investigative Dermatology” Growth hormone-releasing hormone (GHRH) boosts hair growth and human scalp hair follicles have their own growth hormone system.
January 2014 in “China Animal Husbandry & Veterinary Medicine” EGF, IGF-I, and IGF-IR genes are crucial for mink skin and hair growth.
April 2007 in “Linchuang pifuke zazhi” TGF-β1 and 2 may play a role in hair loss in AGA.
37 citations
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November 2003 in “Veterinary pathology” Hair loss in mice starts with immune cells damaging hair roots before it becomes visible.
25 citations
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June 2004 in “Journal of Investigative Dermatology” Macrophage-stimulating protein helps hair grow and can start hair growth phase in mice and human hair samples.
December 2025 in “Russian Journal of Skin and Venereal Diseases” Thinner hair follicle structures are linked to non-scar alopecia.
January 2024 in “Indian Journal of Pharmaceutical Sciences” Relaxing certain muscles might straighten curly hair.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” A new staining method shows a special area in the hair's skin layer with lots of proteoglycans.
January 2008 in “Durham e-Theses (Durham University)” Hair follicle stem cells are similar to mesenchymal stem cells and can become neural-like cells under certain conditions.
Dermal stem cells help regenerate hair follicles and heal skin wounds.
321 citations
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December 2009 in “Journal of Dermatological Science” Dermal cells are key in controlling hair growth and could potentially be used in hair loss treatments, but more research is needed to improve hair regeneration methods.