June 2009 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Lrig1 marks a unique group of stem cells in mouse skin that can become different skin cell types.
November 2025 in “Journal of Investigative Dermatology” Hair follicle stem cells help maintain skin health after injury.
Oxidized hair can naturally regain strength and stability over six months.
1 citations
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January 2025 in “OBM Geriatrics” Platelets play a key role in the immune system and their lifespan and aging are important for developing new treatments.
5 citations
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October 2013 in “Experimental Dermatology” The commentary explains that a balance of HR protein and putrescine is important for normal hair growth.
24 citations
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August 2022 in “Immunity” Type 2 immunity helps control mite growth in hair follicles, preventing damage.
6 citations
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November 2022 in “Antioxidants” OR2AT4 helps reduce aging and cell damage in human skin cells.
53 citations
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October 2014 in “Free radical biology & medicine” Defective mitochondrial DNA replication causes aging symptoms and increased oxidative damage in mice.
6 citations
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December 2011 in “Nature” The circadian clock in skin cells controls their growth and rest cycles.
40 citations
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May 2010 in “Australasian Journal of Dermatology” Chronic hair shedding may be caused by less variation in hair growth times and might stop on its own after several years.
9 citations
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November 2020 in “The FASEB journal” Intermediate filaments are crucial for cell differentiation and stem cell function.
August 2021 in “Journal of Investigative Dermatology” Stress causes hair loss by making the body produce cortisol, which stops hair cells from growing.
15 citations
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May 2004 in “Facial Plastic Surgery Clinics of North America” The document concludes that while "hair follicle cloning" shows promise for unlimited donor hair, it faces challenges with consistency and safety in humans.
January 2025 in “Scientific Reports” Hair analysis can show changes in vitamin D levels over time.
May 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” A mutation in the KRT74 gene causes woolly hair by affecting hair texture.
1 citations
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February 2004 in “Medical Hypotheses” Certain cultural hair practices might cause baldness by affecting natural hair oils and stem cell delivery to hair follicles.
124 citations
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July 2017 in “eLife” Type XVII collagen helps control skin cell growth and could be a target for anti-aging treatments.
June 2025 in “Rapid Communications in Mass Spectrometry” The new method improves protein extraction and analysis in hair, aiding biomedical and forensic work.
11 citations
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June 2005 in “Stem Cells and Development” Intestinal stem cells can help repair skin damage from radiation.
37 citations
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March 2012 in “International Journal of Radiation Biology” Mobile phone radiation can cause DNA damage in human hair root cells.
4 citations
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November 2021 in “Frontiers in Cell and Developmental Biology” Aging causes hair loss and graying due to stem cell decline and changes in cell behavior and communication.
7 citations
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November 2016 in “Oncotarget” UV exposure reduces Lgr6+ stem cells in mouse skin and they don't significantly contribute to skin cancer development.
October 2025 in “International Journal of Molecular Sciences” Early intervention in patch-type alopecia may prevent progression to more severe forms by targeting immune pathways and preserving keratin.
June 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” IGN genes may regulate hair growth and could be targeted for hair-loss treatments.
1 citations
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June 2017 in “Nature Reviews Immunology” Immune cells called Treg cells are essential for hair growth and regeneration.
January 2023 in “Nature Immunology” Certain immune cells help hair growth by regulating iron in the skin.
21 citations
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January 1995 in “Molecular Biology Reports” Scientists discovered two versions of a new human hair keratin gene.
242 citations
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February 2016 in “Science” Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.
51 citations
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December 2003 in “The FASEB Journal” The substance AS101 can help hair grow by slowing down hair cell aging and boosting a hair growth protein.