1 citations
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January 2007 in “Journal of Obesity & Metabolic Syndrome” A higher calcium to magnesium ratio in hair is linked to lower insulin sensitivity.
September 2024 in “Toxicology Letters” Cortisone and cortisol levels in pregnant women’s hair increase as labor approaches, indicating higher stress.
Hair can accurately predict iron levels in cattle muscle, helping diagnose mineral imbalances.
September 2019 in “Journal of Investigative Dermatology” People with pattern hair loss have higher polyamine levels in the top of their head compared to the back.
June 2015 in “Majallah-i 'ilmī-i dānishgāh-i 'ulūm-i pizishkī va khadamāt-i bihdāshtī darmānī-i Hamadān” Low vitamin D levels are linked to hair loss in women.
January 2004 in “Trace Elements Science” Diabetics have lower chromium, manganese, and copper, but higher iron in their hair.
24 citations
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May 2017 in “Journal of Cosmetic and Laser Therapy” The laser scanner device was more effective at increasing hair density than the laser hat in treating androgenic alopecia.
19 citations
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March 1975 in “British Journal of Dermatology” A new method accurately measures cyclic AMP levels in small skin and hair samples.
13 citations
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March 2023 in “International Journal of Molecular Sciences” Lower Gas6 and sAxl levels are linked to hair loss in COVID-19 survivors.
6 citations
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May 2020 in “Molecules/Molecules online/Molecules annual” Yak belly hair has higher porosity and is less stiff than human hair, making it absorb dye better but less suitable as a direct substitute for hair dyeing.
1 citations
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July 2024 in “International Journal of Dermatology Venereology and Leprosy Sciences” Cysteine strengthens hair, and glutamine fuels hair growth.
March 2025 in “Frontiers in Veterinary Science” Changing light exposure boosts hormone levels and antioxidant activity, improving cashmere growth in goats.
June 2024 in “Benha Journal of Applied Sciences” Serum IMA levels may be linked to premature hair graying and erectile dysfunction.
March 2022 in “IP Indian journal of clinical and experimental dermatology” Low ferritin and cobalamin levels are better indicators of chronic hair loss in reproductive-age women than hemoglobin levels.
February 2019 in “Trace elements and electrolytes” Women with chronic hair loss had lower levels of zinc, copper, and ferritin than healthy women.
December 2018 in “Zenodo (CERN European Organization for Nuclear Research)” Low-level laser therapy may help hair growth, but more research is needed.
September 2021 in “Journal of advances in medicine and medical research” Low Vitamin D levels are linked to female hair loss.
March 2017 in “Journal of Dermatology” Different hair loss patterns may be linked to varying male hormone levels.
34 citations
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May 2017 in “Lasers in Surgery and Medicine” Combining low-level light therapy and minoxidil 5% is more effective for female hair loss than using either treatment alone.
8 citations
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September 2021 in “Facial plastic surgery & aesthetic medicine” Low-level light/laser therapy is effective in treating male and female pattern hair loss without side effects.
January 2025 in “Egyptian Journal of Dermatology and Venerology” COVID-19 vaccination may lower vitamin D levels and cause hair loss.
217 citations
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July 2009 in “Experimental and Clinical Endocrinology & Diabetes” Hair analysis can track past cortisol levels in Cushing's Syndrome patients.
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 2019 in “Journal of Trace Elements in Medicine and Biology” Higher hair iron levels are linked to changes in brain structure and function.
8 citations
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September 2014 in “Journal of X-Ray Science and Technology” High calcium levels in hair may indicate early breast cancer.
November 2025 in “Khalij-Libya Journal of Dental and Medical Research” Hair loss is linked to low levels of zinc, vitamin D, and ferritin.
56 citations
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January 2008 in “Dermatology” Higher iron levels in the blood are not linked to increased hair loss in women.
7 citations
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March 2016 in “Journal of Cosmetic and Laser Therapy” Home-use lasers and IPL devices are unlikely to directly cause paradoxical hair growth; it may be linked to inflammation or hormonal issues.
5 citations
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February 2016 in “Genetic Testing and Molecular Biomarkers” Hair loss is significantly linked to lower levels of certain genes in hair follicles.
1 citations
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March 2024 in “Skin research and technology” A new AI model diagnoses hair and scalp disorders with 92% accuracy, better than previous models.