January 2018 in “Trace Elements in Medicine (Moscow)” Children with autism have different levels of certain metals and elements in their hair and blood, affecting symptoms.
October 2025 in “Indian Journal of Paediatric Dermatology” Zinc treatment improved skin and hair issues in a boy with a zinc-related condition.
Exposure to toxic elements like mercury and lead may be linked to autism, and a higher zinc to copper ratio might help protect against it.
1 citations
,
January 2007 in “中国科学通报：英文版” Women's hair has more sulfur, and black hair has more calcium than white hair.
2 citations
,
August 2020 in “Clinical, Cosmetic and Investigational Dermatology” The hair-growth formula with L-cystine helps protect and grow hair cells.
25 citations
,
June 1998 in “Biological Trace Element Research” Young women with diabetic parents have high zinc and low copper levels.
2 citations
,
January 2011 in “프로그램북(구 초록집)” Human hair can effectively absorb arsenic from water.
June 2018 in “Korean Journal of Family Practice” 
April 2017 in “Journal of Investigative Dermatology” PRC1 influences skin stem cell development by both turning genes on and off, affecting hair growth and skin cell types.
2 citations
,
August 2013 in “Journal of Investigative Dermatology” Nuclear shape and chromatin changes affect gene expression in skin cell differentiation.
January 2000 in “대한피부과학회지” Preventing zinc deficiency is crucial, especially in bowel disease and chronic malabsorption, with recommended skin checks and zinc supplements.
11 citations
,
January 2009 in “World Journal of Gastroenterology” A woman with both Cronkhite-Canada syndrome and myelodysplastic syndrome improved significantly with corticosteroid treatment.
January 2017 in “대한미용학회지” The cuticle layer in hair follicles thickens during keratinization due to incomplete cytosol loss.
79 citations
,
April 1996 in “JAMA” Taking too many selenium supplements can cause serious health problems like hair loss and fatigue.
December 2023 in “Redox biology” The substance DMC helps get rid of aging cells by triggering a process that causes cell death, which could treat age-related diseases.
December 2016 in “Springer eBooks” Chrousos Syndrome is caused by mutations that make the body less sensitive to glucocorticoids, leading to various symptoms and requiring high-dose treatment.
Hair samples showed changes in chemical elements over time and location in Venezuela.
A natural hair dye from cuttlefish ink and chitosan effectively colors hair black without harmful chemicals.
3 citations
,
January 2022 in “Burns & Trauma” CTHRC1 helps sweat glands recover by rebuilding nearby blood vessels.
27 citations
,
October 1998 in “Differentiation” Basonuclin helps identify and track hair follicle development and cycling in mice.
February 2026 in “iScience” Hair metal analysis may help diagnose Parkinson's disease and suggests gut involvement.
Haircare products may expose users to harmful chemicals despite regulations.
February 2020 in “Oxford University Press eBooks” The alpha-helix was confirmed as a key structure in proteins.
21 citations
,
December 1994 in “Journal of Investigative Dermatology” 50 citations
,
October 2007 in “Archives of Dermatological Research” 15 citations
,
January 1954 in “Endocrinology” Iodine in rat hair is linked to hair growth.
12 citations
,
May 2024 in “Chemosphere” 104 citations
,
July 1994 in “The Journal of Cell Biology” Basonuclin helps keratinocytes multiply and prevents them from fully maturing.
April 2021 in “MEDICINUS” Acrodermatitis enteropathica can occur even with normal zinc levels, and zinc supplements can improve symptoms.