December 2025 in “Skin Appendage Disorders” Scalp apocrine glands may help remove waste and balance electrolytes, but their role is not fully understood.
Stress can cause hair loss and trigger autoimmunity by damaging hair follicle cells.
September 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Lymphatic vessels and hair follicles interact and may influence hair growth.
January 2004 in “uO Research (University of Ottawa)” Claudin 6 is crucial for normal skin and hair development.
133 citations
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July 1994 in “Journal of Dermatological Science” Human hair growth can be influenced by certain growth factors and has specific metabolic needs.
111 citations
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April 2000 in “British journal of dermatology/British journal of dermatology, Supplement” Thyroid hormone receptor β1 is found in human hair follicles and helps them survive.
55 citations
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April 2017 in “Experimental Dermatology” The document describes a way to isolate and grow human hair follicle cells in 3D to help study hair growth.
27 citations
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September 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” Small amounts of Vitamin D3 can boost hair growth, but too much can stop it.
18 citations
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August 2015 in “International Journal of Molecular Sciences” Ovine hair follicle stem cells can regenerate haired skin and may improve wool production.
2 citations
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March 2023 in “BMC ecology and evolution” Some hair protein genes evolved early and were adapted for use in hair follicles.
April 2017 in “The FASEB Journal” Eating more vitamin A changes hair growth-related proteins in mice, affecting hair cycle stages.
April 2016 in “Journal of Investigative Dermatology” Scientists have found a way to grow hair follicles from human cells in a lab, which could help treat hair loss and skin damage.
January 2008 in “Journal of Practical Medical Techniques” Microencapsulated cells can regenerate hair follicles in rat ears.
38 citations
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June 2019 in “International Journal of Molecular Sciences” Tiny particles called extracellular vesicles could help with skin healing and hair growth, but more research is needed.
January 2026 in “Avicenna Bulletin” Aligning hair implants with natural growth patterns improves hair transplant results.
100 citations
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September 2017 in “Molecular and Cellular Endocrinology” Male hormones and their receptors play a key role in hair loss and skin health, with potential new treatments being explored.
107 citations
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December 2013 in “International Journal of Dermatology” The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.
July 2024 in “Journal of Investigative Dermatology” Human hair follicles have their own thyroid hormone system.
9 citations
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July 2014 in “PubMed” Different S100 proteins have specific roles in various parts of the hair follicle.
June 2025 in “Frontiers in Physiology” Prostaglandin F2α may help treat hair loss by promoting hair growth.
February 2024 in “Frontiers in physiology” Hair follicle stem cells help skin heal and grow during stretching.
71 citations
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February 2000 in “Endocrinology and metabolism/American journal of physiology: endocrinology and metabolism” Estradiol stops hair growth in mice, but an antagonist can reverse this effect.
12 citations
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May 2012 in “Endocrinology and metabolism/American journal of physiology: endocrinology and metabolism” Human scalp hair follicles can be used to study how prolactin affects hair growth and cell death.
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.
April 2024 in “Frontiers in physiology” Immune cells are crucial for hair growth and preventing hair loss.
51 citations
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January 2004 in “Skin Pharmacology and Physiology” The document explains hair growth and shedding, factors affecting it, and methods to evaluate hair loss, emphasizing the importance of skin biopsy for diagnosis.
October 2025 in “Journal of Neurophysiology” BK and Kv4.2 channels help Merkel cells in rat whiskers sense touch.
September 2014 in “Springer eBooks” Aging causes hair to gray and thin, with the timing of graying varying by race, and factors like oxidative stress and genetics can lead to hair loss.
June 2015 in “Vestnik dermatologii i venerologii” Growth factors influence hair growth and hair loss.
1 citations
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October 1996 in “Dermatologic clinics” Adiponectin reduces inflammation and bone loss in joint replacements.