54 citations
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January 2018 in “Scientific reports” Human hair contains diverse proteins, including keratins and histones, which could help assess hair health and aging.
47 citations
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June 1996 in “International Journal of Legal Medicine” Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.
44 citations
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January 2005 in “Dermatology” Hair problems can be caused by genetics or the environment, and treatment should focus on the cause and reducing hair damage.
27 citations
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September 2017 in “Journal of Medicinal Food” Annurca apple supplement safely increases hair growth and keratin in humans.
20 citations
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July 2010 in “Skin Research and Technology” Aging makes hair thinner and rougher, with less clear edges.
14 citations
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January 2020 in “PloS one” Timing of light therapy affects horse coat growth, with photoperiod being crucial.
10 citations
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June 2001 in “Annals of neurology” Alzheimer's patients have higher levels of certain chemicals in their hair.
8 citations
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November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.
8 citations
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December 2020 in “Scientific reports” Selective breeding caused the unique curly hair in Mangalitza pigs.
7 citations
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February 2021 in “Legal Medicine” Hair analysis showed very high metformin levels in two fatal overdose cases, suggesting it's useful in forensics but sweat may affect results.
7 citations
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October 2015 in “American Journal of Primatology” Monkeys with hair loss during pregnancy showed higher stress hormone levels and invested differently in their offspring.
4 citations
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March 2015 in “Skin Research and Technology” Trichotillometry is a reliable method to measure hair strength and assess hair loss treatments.
4 citations
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April 1955 in “Textile Research Journal” The effectiveness of reducing agents on hair fibers depends on their electrode potentials.
3 citations
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January 2021 in “Applied sciences” Fermented red ginseng and a traditional herb mix improved hair growth in mice.
2 citations
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April 2023 in “Archives of Aesthetic Plastic Surgery” The phototrichogram is better for measuring hair thickness.
May 2023 in “Animal Reproduction Update” High levels of cortisol in hair show long-term stress which can lower fertility in animals.
May 2017 in “Journal of microscopy and ultrastructure” Water quality affects mineral content in hair, and coconut oil can protect against damage.
Forensic hair analysis for drugs is now more reliable and accurate.
Hair follicles can be used to quickly assess drug effects in cancer treatment.
January 2011 in “Web journal anti-aging medicine/Anti-aging medicine” KGS1 tablets improved skin and hair health.
27 citations
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January 2020 in “Experimental Dermatology” Immune cells affect hair growth and could lead to new hair loss treatments.
12 citations
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January 1978 Friesian heifers take about 18 months to adapt to Kenya's climate, with hair changes not strongly linked to weight gain.
93 citations
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February 2008 in “Atmospheric environment” Ozone reacts more with unwashed hair, producing compounds due to scalp oils, which could lower ozone exposure but increase exposure to reaction products.
29 citations
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August 2017 in “Skin appendage disorders” IGF-1 may affect hair growth and loss, but more research is needed to confirm effective and safe treatments.
12 citations
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May 2019 in “Stem cell reviews” Fetal-maternal stem cells in a mother's hair can help with tissue repair and regeneration long after childbirth.
9 citations
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June 2020 in “Tissue Engineering and Regenerative Medicine” HHORSC exosomes and PL improve hair growth treatment outcomes.
8 citations
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August 2020 in “Domestic Animal Endocrinology” Melatonin improved cashmere production in goats during the first cycle but had no lasting effects on the next cycle.
January 2024 in “GeroScience” Using radiation to make mice's hair turn gray helps study and find ways to prevent or reverse hair graying.
417 citations
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March 1991 in “American Journal of Psychiatry” Most adult chronic hair pullers are women who started in their early teens, often have other mental health issues, and may pull hair due to underlying psychiatric conditions.
256 citations
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October 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Growing human skin cells in a 3D environment can stimulate new hair growth.