January 2024 in “ResearchWorks at the University of Washington (University of Washington)” LA-ICP-MS effectively measures zinc, lead, and mercury in hair.
April 2026 in “Science & Justice” Hair analysis can confirm drug use but can't accurately measure how much was taken.
July 2022 in “Research Square (Research Square)” Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
12 citations
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July 2016 in “British journal of dermatology/British journal of dermatology, Supplement” Different hair fiber development might explain why hair loss severity varies in patients with a specific genetic mutation, and treatments that thicken hair could help.
5 citations
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January 2015 in “Current problems in dermatology” The document concludes that a thorough history, physical exam, and specific tests are crucial for diagnosing and managing hair loss effectively.
January 2016 in “Hair therapy & transplantation” Hair UpTM effectively and safely promotes hair regrowth, especially in minors.
12 citations
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December 2021 in “Aging” A new painless method to collect hair follicles helps study DNA damage and aging.
June 1996 in “Journal of Dermatological Science”
Malnourished people have weaker hair that is easier to pluck.
12 citations
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January 1934 in “Proceedings of the Royal Society of London Series B Containing Papers of a Biological Character” Stretched hair has a similar structure to natural silk, showing hair's elasticity involves reversible changes within its molecules.
July 2024 in “International Society of Hair Restoration Surgery” 5 citations
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February 2021 in “Gels” HYDRO DELUXE BIO hyaluronic acid hydrogel is compatible with skin cells, may reduce inflammation, promote blood vessel growth, and protect against oxidative stress, suggesting it could help revitalize hair follicles.
1 citations
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August 2018 in “Madridge journal of dermatology & research” The device effectively and safely increased hair growth in people with Androgenetic Alopecia.
36 citations
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January 1998 in “Journal of Dermatological Treatment” The questionnaire effectively measures men's perceived hair growth and can distinguish between different treatments and dosages.
May 2017 in “InTech eBooks” Trichoscopy and trichogram are useful for diagnosing hair and scalp conditions.
January 2023 in “Al-Azhar International Medical Journal /Al-Azhar International Medical Journal” Trichoscopy is a quick, non-invasive way to measure hair density and thickness, helping diagnose hair loss.
May 2023 in “Zenodo (CERN European Organization for Nuclear Research)”
1 citations
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June 2022 in “Journal of The American Academy of Dermatology” Combining scalp photos with hair density and caliber measurements gives a more accurate assessment of hair loss.
January 2014 in “NDSU Repository (North Dakota State University)” The hair-pulling scale needs improvement for better accuracy and consistency.
32 citations
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February 2018 in “Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy” Cosmetic residues on individual hairs can be identified and differentiated using ATR FT-IR microspectroscopy.
June 2014 in “Toxicologie analytique et clinique/Annales de toxicologie analytique” Older age increases positive hair alcohol test results, and chest hair is a good alternative for testing; season affects results, with higher levels in winter.
4 citations
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February 2007 in “Journal of the European Academy of Dermatology and Venereology” The study suggests silicon might be important for healthy hair, as less silicon was found in people with hair loss.
Hair analysis can help identify specific minerals and amino acids linked to various diseases.
71 citations
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December 1987 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Hair analysis is not a precise way to measure livestock's mineral status but can help when used with other methods.
10 citations
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August 2014 in “PLoS ONE” Hair follicles can help diagnose traumatic brain injury quickly and non-invasively.
30 citations
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May 2010 in “British Journal of Dermatology” Intermediate hair follicles are a better model for studying hair growth and testing hair loss treatments.
16 citations
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October 2003 in “Journal of applied polymer science” 2-iminothiorane hydrochloride improves hair waving permanence without damage.
226 citations
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January 2002 in “Biological and Pharmaceutical Bulletin” A new method quickly extracts and identifies proteins from hair and other keratin sources.
7 citations
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July 2008 in “Experimental Dermatology” The study concluded that a protein important for hair strength is regulated by certain molecular processes and is affected by growth phases.