July 2019 in “International journal of dermatology, venereology and leprosy sciences” Patients with Telogen effluvium have higher levels of heavy metals than healthy individuals.
March 1963 in “Sangyo Igaku” Women generally have higher levels of iron, copper, and zinc in their hair than men, with differences increasing with age.
30 citations
,
November 1985 in “American Journal of Veterinary Research” Switch hair can indicate magnesium and copper levels in beef cows.
January 2004 in “Weiliang yuansu yu jiankang yanjiu” Copper levels differ by gender, and young children have higher mineral levels.
73 citations
,
January 2013 in “Annals of Dermatology” People with hair loss, especially those with certain types, have lower zinc levels, and zinc supplements might help.
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.
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.
7 citations
,
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.
10 citations
,
May 1986 in “Experientia” Too much zinc in the diet can cause hair loss and color change in young mice by reducing copper in the body.
73 citations
,
May 1976 in “JAMA” Long-term parenteral nutrition without zinc can cause severe zinc deficiency.
17 citations
,
January 2013 in “International Journal of Cosmetic Science” Higher metal levels in hair are linked to poorer perceived hair health.
December 2009 in “DergiPark (Istanbul University)” Check serum ferritin levels and total blood count for women with diffuse hair loss.
1 citations
,
January 2017 in “Annals of dermatology/Annals of Dermatology” Mineral levels in hair don't significantly affect the severity of atopic dermatitis in children.
March 2025 in “American journal of biochemistry & biotechnology/American journal of biochemistry and biotechnology” Higher levels of certain hormones and lower levels of minerals may contribute to hair loss.
Zinc levels and lymphocyte counts might be important in heart disease development.
August 2023 in “Journal of The American Academy of Dermatology” Valproic acid, a common antiepileptic medication, can cause reversible hair loss in patients.
January 2011 in “Nuclear Techniques” Lead levels in hair increased due to environmental exposure, while iron, copper, and zinc levels stayed stable.
5 citations
,
January 1976 in “Acta Dermato Venereologica” Sodium and potassium levels in Egyptian scalp hair differ by sex and can aid in legal cases.
65 citations
,
August 2016 in “Metabolic brain disease” Children with autism have lower levels of essential and toxic trace elements in their hair.
15 citations
,
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.
Copper levels in green hair decreased significantly after treatment.
2 citations
,
January 1976 in “Munich Personal RePEc Archive (Ludwig Maximilian University of Munich)” Sodium and potassium levels in Egyptian scalp hair differ by sex and can aid in legal cases.
1 citations
,
November 2023 in “Frontiers in veterinary science” Goat hair shows changes in metal levels and stress when goats move from indoors to mountain pastures.
7 citations
,
January 2018 in “PubMed” Low levels of iron, copper, and calcium may cause early hair graying.
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.
January 2022 in “Indian journal of paediatric dermatology” Children with early graying hair might have lower levels of certain nutrients like zinc, magnesium, and Vitamin B12.
January 2016 in “Journal of animal research” Hair can help assess Copper and Zinc levels in dogs.
2 citations
,
January 2011 Zinc deficiency may contribute to alopecia areata and vitiligo.
6 citations
,
January 2018 in “PubMed” Heavy metals might contribute to hair loss in Telogen Effluvium.
January 1992 in “Journal of Oriental Neuropsychiatry” People with schizophrenia have lower zinc, copper, and chromium in their hair.