1 citations
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January 2015 in “Journal of clinical and investigative dermatology” IGF-1 from human placenta helps hair grow.
June 2026 in “International Journal of Drug Delivery Technology” Herbal remedies show promise for managing premature hair greying but need more research.
June 2022 in “Research Square (Research Square)” Hair follicle stem cells can help heal intestinal injuries in rats.
271 citations
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March 1999 in “Developmental biology” The research shows that a gene called Wnt3 affects hair growth and structure, causing short hair and balding when overactive.
191 citations
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November 1959 in “Annals of the New York Academy of Sciences” Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
24 citations
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May 2019 in “PLOS ONE” The African spiny mouse can fully regenerate its muscle without scarring, unlike the common house mouse.
14 citations
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January 2012 in “Proteins” Electrostatic interactions mainly stabilize the binding of peptides to hair keratin.
1 citations
,
July 2018 in “Elsevier eBooks” Many treatments for hair loss show potential, but more testing is needed to confirm their effectiveness. Only minoxidil for women and minoxidil and finasteride for men are FDA approved.
11 citations
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June 2022 in “Frontiers in immunology” New protein changes may be involved in the immune attack on hair follicles in alopecia areata.
42 citations
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March 2008 in “Molecular and Cellular Endocrinology” Hormones and neuroendocrine factors control hair growth and color, and more research could lead to new hair treatment options.
30 citations
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March 2010 in “European Journal of Dermatology” Hair loss in elderly women is often caused by various factors, including hormonal changes after menopause.
11 citations
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April 2016 in “The American Journal of Dermatopathology” Special and immunohistochemical stains are not routinely needed for diagnosing hair disorders.
10 citations
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September 2020 in “Computational and Mathematical Methods in Medicine” Researchers developed an algorithm for self-diagnosing scalp conditions with high accuracy using smart device-attached microscopes.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
January 2012 in “Methods in pharmacology and toxicology” Hair follicle culture helps study hair growth but has limitations in modeling the full hair cycle.
77 citations
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July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.
42 citations
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March 2006 in “Drug Discovery Today: Therapeutic Strategies” The conclusion is that we need more effective hair loss treatments than the current ones, and these could include new drugs, gene and stem cell therapy, hormones, and scalp cooling, but they all need thorough safety testing.
19 citations
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January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
1 citations
,
July 2019 in “Microscopy Today” Microfluorometry effectively measures how much polymer coats and penetrates hair, useful for evaluating hair products.
Dermal stem cells help regenerate hair follicles and heal skin wounds.
135 citations
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December 2013 in “Seminars in Cell & Developmental Biology” Stem cells in the hair follicle are regulated by their surrounding environment, which is important for hair growth.
14 citations
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April 2019 in “Saudi pharmaceutical journal” Microparticles help caffeic acid stay longer in hair follicles for better treatment of folliculitis.
13 citations
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January 2022 in “Stem cell reviews and reports” Mouse stem cells from hair follicles can improve wound healing and reduce scarring.
2 citations
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November 2020 in “Scientific Reports” Metallic-glass coated needles reduce skin trauma and improve tattoo quality.
116 citations
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May 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.
211 citations
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April 2013 in “Development” More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.
March 2026 in “Frontiers in Medicine” Different types of alopecia cause hair loss due to immune system issues, with some allowing regrowth and others causing permanent loss.
August 2024 in “International Journal of Basic & Clinical Pharmacology” Secretome-based therapies could improve hair growth better than current treatments.
March 2026 in “Dermatology and Therapy” Distinct miRNA signatures could help diagnose and treat severe Alopecia Areata.
38 citations
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June 2018 in “Plant & cell physiology/Plant and cell physiology” Changing the amount of PLC5 in Arabidopsis affects root growth and drought resistance, with less PLC5 slowing root growth and more PLC5 improving drought tolerance but hindering root hair growth.