January 2026 in “Journal of Trace Elements in Medicine and Biology” Dogs have more iron and copper in their hair than cats, and outdoor animals have higher iron levels.
January 2013 in “Food science and technology research” Green tea extract may increase copper levels in mouse hair without affecting liver copper.
20 citations
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October 2021 in “Applied materials today” A new microneedle patch and yellow light therapy significantly promote hair regrowth.
2 citations
,
January 2011 in “프로그램북(구 초록집)” 11 citations
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August 1995 in “Journal of Investigative Dermatology” 7 citations
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January 2002 in “Biological Trace Element Research” Children with pituitary dwarfism have higher zinc and copper, lower manganese, and similar iron levels in hair compared to normal children.
January 2004 in “Weiliang yuansu yu jiankang yanjiu” Copper levels differ by gender, and young children have higher mineral levels.
29 citations
,
January 2002 in “Biological Trace Element Research” June 2018 in “Korean Journal of Family Practice” 21 citations
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April 2009 in “Trace Elements and Electrolytes” Autistic children have lower iron and higher selenium in their hair.
May 2014 in “The Journal of Alternative and Complementary Medicine” Higher levels of chromium, selenium, and copper in hair are linked to increased insulin resistance in visceral-obese adults.
15 citations
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July 2012 in “Biological trace element research” Higher hair calcium to magnesium ratios and lower chromium levels in hair may indicate insulin resistance in Korean men.
May 2024 in “Pakistan Journal of Health Sciences” Iron deficiency is linked to hair loss in CTE patients.
16 citations
,
October 2015 in “Photochemistry and photobiology” Reducing copper (II) ion levels in hair can decrease hair damage.
11 citations
,
December 2016 in “Frontiers in Psychology” Hair style affects perceptions of age, health, and attractiveness more than hair color does.
3 citations
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June 2019 in “Journal of Bangladesh Society of Physiologist” People with hair loss often have lower levels of zinc and copper in their blood.
2 citations
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October 2018 in “The journal of pediatrics/The Journal of pediatrics” The document concludes that specific hair and blood vessel abnormalities in infants with seizures and developmental issues may indicate Menkes disease, which lacks a cure and is often fatal by age 3.
April 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” A new treatment using dissolvable microneedles with nickel-copper and minoxidil improves hair growth and health in androgenic alopecia.
April 2025 in “ACS Applied Nano Materials” A new treatment using dissolvable microneedles with nickel-copper and minoxidil improves hair growth and health in androgenetic alopecia.
21 citations
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January 2014 in “Dermatology Research and Practice” Hair and serum levels of zinc, copper, and iron are similar in people with alopecia areata and healthy individuals.
3 citations
,
April 2023 in “Journal of Veterinary Internal Medicine” Dogs with epilepsy have different hair mineral levels than healthy dogs, possibly due to epilepsy or its treatment.
June 2025 in “Journal of Cluster Science” Metal nanoparticles show promise for treating hair loss but need more research to ensure safety.
3 citations
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May 2014 in “InTech eBooks” Copper deficiency may cause hair loss, and treating it could involve nutrition and hormones.
July 2018 in “International journal of clinical & experimental dermatology” Eat a balanced diet for healthy hair; only use supplements if you have a proven nutrient deficiency.
6 citations
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January 1988 in “PubMed” Swimming in pools with high copper can turn hair green, especially if hair is damaged.
Using aluminum foil for hair bleaching gives better copper blonde color.
November 2025 in “Biological Trace Element Research” Hair mineral analysis doesn't reliably show blood mineral levels but may help track long-term mineral trends.