December 2023 in “International journal of research in dermatology” The ayurvedic hair oil is safe and effective for reducing hair fall, promoting hair growth, and improving scalp health.
September 2023 in “Asian journal of beauty & cosmetology” Lipids are important for healthy hair, but their exact role is not fully understood and needs more research.
May 2023 in “International journal of pharmaceutical sciences and medicine” Sunflower oil was found to promote hair growth in mice with hormone-induced hair loss.
May 2023 in “Animal Reproduction Update” High levels of cortisol in hair show long-term stress which can lower fertility in animals.
May 2023 in “Frontiers in chemistry” Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.
January 2019 in “Springer eBooks” PRP may help with hair loss and improve hair quality with few side effects, but more research is needed.
January 2019 in “Durham e-Theses (Durham University)” Advanced microscopy shows hair damage and keratin proteins' roles, aiding future cosmetic treatments.
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 2008 in “Durham e-Theses (Durham University)” Hair follicle stem cells are similar to mesenchymal stem cells and can become neural-like cells under certain conditions.
January 2006 in “mediaTUM – the media and publications repository of the Technical University Munich (Technical University Munich)” Cattle hair isotope analysis can reveal diet and farm system characteristics.
Ovol2 is crucial for hair growth and skin healing by controlling cell movement and growth.
Detailed history and physical examination are crucial for diagnosing hair loss.
11 citations
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October 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride increases hair growth, prolongs hair cycle, and lowers dihydrotestosterone levels.
14 citations
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May 2020 in “Drug Testing and Analysis” A new method was created to measure metformin in hair, showing potential for monitoring treatment and medical investigations.
January 2026 in “Journal of Ayurveda and Integrated Medical Sciences” Bhringaraj extract tablets significantly reduce hair fall and are well-tolerated.
182 citations
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December 2007 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Hair follicles significantly increase the speed and amount of caffeine absorbed through the skin.
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.
31 citations
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January 2016 in “Drugs - Real World Outcomes” Some new oral anticoagulants may also cause hair loss and might not be better than traditional ones for preventing hair loss.
21 citations
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December 2011 in “Chungara” Mummy hair's chemical composition may not accurately show ancient people's health due to environmental contamination.
13 citations
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January 2010 in “Advances in Biochemical Engineering / Biotechnology” Understanding hair biology is key to developing better treatments for hair and scalp issues.
8 citations
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January 2016 in “Journal of Veterinary Medical Science” Lab-made tissues from dog fat stem cells can help grow hair by releasing a growth factor.
6 citations
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October 2018 in “PLoS ONE” Stress can slow hair growth and affect skin color by impacting the body's stress response system.
6 citations
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January 2016 in “Evidence-based Complementary and Alternative Medicine” Boiling and fermenting certain herbs can help hair grow by activating hair growth genes and pathways.
5 citations
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January 2010 in “The anatomical record” Most dogs have hair whorls on their chest and limbs, with shelter dogs and short-haired dogs having more chest whorls.
4 citations
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March 2012 in “European journal of wildlife research” Wire brush snares are best for collecting Eurasian Lynx hair for DNA analysis.
3 citations
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July 2012 in “British journal of hospital medicine” The guide helps clinicians diagnose and manage hair loss, detailing examination techniques and treatments for different types of alopecia.
November 2025 in “Clinical Cosmetic and Investigational Dermatology” Digital microscopy can help diagnose hirsutism by measuring hair growth.
Tissue from dog stem cells helped grow hair in mice.
234 citations
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February 2001 in “British Journal of Dermatology” FPHL affects hair density and diameter, causing visible hair loss in older women.