36 citations
,
January 2010 in “Human & experimental toxicology” Eating paradise nuts led to selenium poisoning, causing nausea, hair loss, and other symptoms in two women.
35 citations
,
January 2001 in “Journal of Animal Science” High dietary selenium, especially inorganic, causes weight loss and selenosis in pigs, with effects varying by hair color.
35 citations
,
April 1956 in “Journal of the American Medical Association” Selenium sulfide shampoo can cause hair loss, which stops when you stop using it.
27 citations
,
June 2010 in “Journal of the American Academy of Dermatology” Excessive selenium in supplements can cause hair loss and nail issues.
23 citations
,
October 1995 in “PubMed” Selenium exposure at work caused the worker's complete hair loss.
23 citations
,
August 1989 in “American Journal of Veterinary Research” High selenium diets in pigs cause health issues like weight loss, hair loss, and nerve damage.
22 citations
,
August 2019 in “Environmental research” Pseudomonas sp. T5-6-I bacteria increase selenium uptake in Brassica oleracea plants by 130%.
21 citations
,
June 1991 in “Journal of Inherited Metabolic Disease” Selenium deficiency caused symptoms in a child, which improved with selenium supplements.
20 citations
,
February 2013 in “Nutrition” Selenium-enriched green tea might be a safe prebiotic for gut health.
20 citations
,
August 1960 in “PubMed” Selenium sulfide may affect hair root health.
16 citations
,
December 2005 in “Journal of Animal Physiology and Animal Nutrition” Moderate selenium levels in a dog's diet are best for hair growth.
16 citations
,
January 1996 Selenium levels in Enshi District need careful monitoring to prevent health issues.
15 citations
,
July 1984 in “Nutrition Research” Selenium increased in hair but not in blood after taking supplements.
13 citations
,
October 1960 in “Experimental Biology and Medicine” Selenium-75 stays in dog hair for up to 316 days.
12 citations
,
July 1964 in “Archives of Dermatology” Selenium sulfide shampoo doesn't affect hair growth or rest phases.
7 citations
,
March 2023 in “European Journal of Dermatology” Using Selenium Disulfide shampoo weekly helps prevent scalp dermatitis flare-ups.
6 citations
,
March 2011 in “Experimental Dermatology” Too much or too little selenium in the diet can cause hair loss and graying in mice.
2 citations
,
October 1961 in “Experimental Biology and Medicine” Natural feedstuffs help reduce muscular dystrophy in rabbits more than selenium or vitamin E alone.
2 citations
,
February 1983 in “International Journal of Cosmetic Science” Selenium disulphide detergents increase hair oiliness by boosting some lipids and reducing fatty acids.
1 citations
,
August 2023 in “Journal of cosmetic dermatology (Print)” Too much selenium can cause hair loss and nail problems.
1 citations
,
September 2019 in “Journal of cosmetic dermatology” Lead and selenium levels don't cause premature graying.
1 citations
,
June 2016 in “DOAJ (DOAJ: Directory of Open Access Journals)” The Enterobacter isolate AMS1-S8 is effective for removing selenium from wastewater.
February 2026 in “Pakistan Veterinary Journal” Selenium and Vitamin E supplements improved antioxidant levels and cashmere production in goats.
December 2025 in “SHILAP Revista de lepidopterología” Correcting selenium and zinc levels may help manage hair loss in autoimmune thyroiditis.
September 2025 in “Clinical Toxicology” Contaminated wheat caused hair loss and other symptoms due to high selenium, but washing it with alkaline water helped.
Selenium is essential for health, but too little or too much can cause serious health problems.
The supplement improved hair growth and reduced hair loss in women.
October 2023 in “Èkologiâ čeloveka” People in Moldova have less selenium in their hair than recommended, which may contribute to hair loss.
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.
Four bacteria from the lab were found to be resistant to selenium.