86 citations
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May 2002 in “Journal of Investigative Dermatology” A new keratin, hK6irs1, is found in all layers of the hair follicle's inner root sheath.
47 citations
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July 1967 in “Science” Not eating enough protein can cause hair roots to shrink and lose color, and hair to become thinner.
46 citations
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April 1971 in “American Journal of Clinical Nutrition” Lack of protein causes hair root damage, but it can be reversed by eating protein again.
43 citations
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September 2001 in “Annals of Neurology” Hair root analysis can effectively detect somatic mosaicism in double cortex syndrome.
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.
32 citations
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December 1969 in “The Lancet” Children with marasmus have more resting hair follicles and thinner, less pigmented hair, showing long-term malnutrition.
26 citations
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November 1968 in “The Lancet” Malnourished Andean Indian children had abnormal hair roots compared to healthy children.
24 citations
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March 2022 in “Frontiers in plant science” Plant root hair growth is mainly controlled by hormones like auxin and ethylene, which promote growth, while others like brassinosteroid inhibit it.
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July 1990 in “Acta Dermato Venereologica” High levels of testosterone and dihydrotestosterone inhibit hair cell growth, while high levels of estradiol promote it.
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August 1960 in “PubMed” Selenium sulfide may affect hair root health.
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February 1982 in “RePub (Erasmus University, Rotterdam)” Studying hair roots can help diagnose hair diseases and guide treatments.
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June 2019 in “Mycopathologia” Malassezia yeast linked to hair loss; ketoconazole helps treat it.
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May 1987 in “Acta dermato-venereologica” Syphilis patients showed abnormal hair root changes, with no difference between primary and secondary stages.
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December 2013 in “Journal of Dermatology” Scanning electron microscopy revealed four distinct hair root shapes in alopecia areata, suggesting a less invasive diagnostic method.
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February 2019 in “JOJ dermatology & cosmetics” Anagen grow, a herbal hair serum, effectively promotes hair growth and could be an alternative to finasteride and beneficial for Minoxidil users.
1 citations
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September 2017 in “Journal of Pathology of Nepal” Testing hair roots with a special dye is a simple, non-invasive way to check disease progress in pemphigus vulgaris patients.
1 citations
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September 1986 in “Journal of the Forensic Science Society” Hair root sheaths can be used to accurately analyze genetic markers.
February 2025 in “Journal of Forensic Sciences” Sonication washing reduces nuclei in hair roots, affecting DNA extraction.
January 2024 in “International Journal of Trichology” Hair root dermoscopy is a simple, noninvasive tool to diagnose telogen effluvium.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” JAK inhibitors help hair growth by boosting beta-catenin activity in hair root cells.
December 2023 in “Forensic science international. Genetics” The RapidHIT ID system can effectively get DNA profiles from hair roots with enough cells.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” SwaLife Hair Bloom Onion Oil strengthens hair and promotes growth.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” SwaLife Onion Shampoo helps make hair stronger and healthier using onion and other natural ingredients.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” SwaLife Hair Bloom Onion Oil strengthens and restores hair using onion extract and herbs.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” SwaLife Onion Shampoo helps make hair stronger and healthier using onion and other natural ingredients.
18 citations
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December 2020 in “Frontiers in cell and developmental biology” miR-140-5p in certain cell vesicles helps hair growth by boosting cell proliferation.
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June 2020 in “Tissue Engineering and Regenerative Medicine” HHORSC exosomes and PL improve hair growth treatment outcomes.
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April 2003 in “Journal of Investigative Dermatology” Four specific keratins in hair follicles help understand hair structure and function.
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July 2006 in “Journal of Investigative Dermatology” K25, K27, and K28 are found in all inner root sheath layers of hair, while K26 is only in the cuticle.
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August 1990 in “PubMed” Keratins K1 and K10 are found in the inner root sheath and cuticle of human hair follicles.