15 citations
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July 1984 in “Nutrition Research” Selenium increased in hair but not in blood after taking supplements.
35 citations
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April 1956 in “Journal of the American Medical Association” Selenium sulfide shampoo can cause hair loss, which stops when you stop using it.
20 citations
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August 1960 in “PubMed” Selenium sulfide may affect hair root health.
1 citations
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August 2023 in “Journal of cosmetic dermatology (Print)” Too much selenium can cause hair loss and nail problems.
September 2024 in “Journal of the American Academy of Dermatology” Selenium disulfide shampoo effectively reduces dandruff and is well-liked by users.
June 2023 in “Skin Research and Technology” The supplement with amino acids, iron, selenium, and marine hydrolyzed collagen improved hair growth more than drug treatment alone, with most people tolerating it well.
April 2023 in “Acta Poloniae Pharmaceutica” Herbal extract shampoo increased certain minerals in hair and improved hair growth and scalp health.
23 citations
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October 1995 in “PubMed” Selenium exposure at work caused the worker's complete hair loss.
4 citations
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January 2016 in “Dermatology online journal” Using bacitracin zinc and selenium sulfide one after the other can temporarily turn white hair yellow.
1 citations
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September 2019 in “Journal of cosmetic dermatology” Lead and selenium levels don't cause premature graying.
55 citations
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February 1990 in “Journal of Nutrition” Selenium in hair and nails is higher with L-selenomethionine and low methionine.
2 citations
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February 1983 in “International Journal of Cosmetic Science” Selenium disulphide detergents increase hair oiliness by boosting some lipids and reducing fatty acids.
13 citations
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October 1960 in “Experimental Biology and Medicine” Selenium-75 stays in dog hair for up to 316 days.
14 citations
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January 1984 in “Nutrition reports international” March 2025 in “Skin Appendage Disorders” Selenium disulfide shampoo effectively reduces dandruff and improves scalp health for all hair types.
February 2024 in “Exposure and Health” Selenium supplements may reduce mercury levels in the hair of city dwellers in China.
12 citations
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December 1962 in “Journal of Investigative Dermatology” 27 citations
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June 2010 in “Journal of the American Academy of Dermatology” Excessive selenium in supplements can cause hair loss and nail issues.
241 citations
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January 2001 in “Reviews on Environmental Health” High selenium exposure can harm thyroid function, immune system, liver, skin, and may increase neurotoxicity and cancer risk.
4 citations
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January 1989 Hair and nails can indicate selenium levels in the body.
April 2017 in “The FASEB journal” Low selenium levels worsen health but increase lifespan in mice.
September 1980 in “PubMed” Using selenium disulfide on guinea pigs increased hair loss.
126 citations
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November 1987 in “The Journal of Pediatrics” Selenium deficiency can cause skin and hair color loss, muscle weakness, and blood cell changes, but these improve with selenium supplements.
70 citations
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June 2010 in “Clinics in Dermatology” Certain groups may need vitamin supplements to improve hair health and prevent other health problems.
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.
115 citations
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December 1996 in “PubMed” The safe daily selenium intake is up to 819 micrograms.
79 citations
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April 1996 in “JAMA” Taking too many selenium supplements can cause serious health problems like hair loss and fatigue.
31 citations
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September 2010 in “Current Opinion in Clinical Nutrition & Metabolic Care” Micronutrient deficiencies may cause hair loss in people on long-term parenteral nutrition.