April 2015 in “The FASEB Journal” Selenium deficiency worsens aging symptoms in mice.
Selenium levels are similar in healthy people from both high and low NPC risk areas.
January 2005 in “The Chinese Journal of Dermatovenereology” High fluoride increases damage in hair follicles, but low selenium can reduce this damage at lower fluoride levels.
12 citations
,
July 1964 in “Archives of Dermatology” Selenium sulfide shampoo doesn't affect hair growth or rest phases.
9 citations
,
September 1989 in “PubMed” Sudanese children with severe malnutrition have low selenium levels, which may affect their recovery.
1 citations
,
January 2016 in “INTAS POLIVET” High selenium levels in some areas cause health issues in cows and buffaloes, but blood tests remain normal.
20 citations
,
August 1960 in “PubMed” Selenium sulfide may affect hair root health.
30 citations
,
September 2016 in “Aging Cell” Low selenium levels can extend lifespan but worsen health issues.
January 2005 in “Zhonghua xingwei yixue yu naokexue zazhi” Selenium and iodine deficiencies cause delayed growth and abnormal neural behavior in rats.
September 1980 in “PubMed” Using selenium disulfide on guinea pigs increased hair loss.
January 2007 in “Chinese journal of plastic surgery” Sodium fluoride increases cell death in hair follicles, but sodium selenite can reduce this effect.
6 citations
,
March 2011 in “Experimental Dermatology” Too much or too little selenium in the diet can cause hair loss and graying in mice.
1 citations
,
March 2020 in “̒Ulūm-i dārūyī” Selenium supplements improved liver and kidney function and reduced hair loss in beta-thalassemia major patients.
October 2023 in “Èkologiâ čeloveka” People in Moldova have less selenium in their hair than recommended, which may contribute to hair loss.
March 2025 in “Skin Appendage Disorders” Selenium disulfide shampoo effectively reduces dandruff and improves scalp health for all hair types.
5 citations
,
April 2023 in “Journal of Multidisciplinary Healthcare” Hair selenium levels can indicate nutritional status in very old people.
8 citations
,
December 2021 in “BMJ neurology open” Sodium selenate was found to be safe and possibly slows Alzheimer's progression, but more research is needed.
September 2024 in “Journal of the American Academy of Dermatology” Selenium disulfide shampoo effectively reduces dandruff and is well-liked by users.
16 citations
,
May 2019 in “Hormone and Metabolic Research” Selenium might help with insulin resistance and cholesterol in PCOS, but more research is needed to confirm its benefits.
7 citations
,
March 2023 in “European Journal of Dermatology” Using Selenium Disulfide shampoo weekly helps prevent scalp dermatitis flare-ups.
4 citations
,
February 2007 in “Journal of the European Academy of Dermatology and Venereology” The study suggests silicon might be important for healthy hair, as less silicon was found in people with hair loss.
15 citations
,
March 1997 in “International Journal of Dermatology” Selenium sulfide in anti-dandruff shampoos can turn hair green.
Selenium's effectiveness in treating Hashimoto's thyroiditis is inconclusive.
July 2025 in “International Journal of Pharmaceutical Sciences Review and Research” Balanced selenium intake from wheat is crucial for preventing hair loss.
4 citations
,
January 2024 in “Environmental Research” Using seaweed-based amendments improves soil quality and boosts rice growth and yield.
21 citations
,
April 2009 in “Trace Elements and Electrolytes” Autistic children have lower iron and higher selenium in their hair.
Certain ingredients in personal care products, like formaldehyde, oxidative hair dyes, and sulfates, pose health risks and need careful review.
2 citations
,
February 1983 in “International Journal of Cosmetic Science” Selenium disulphide detergents increase hair oiliness by boosting some lipids and reducing fatty acids.
76 citations
,
April 2002 in “Urology” Selenium and vitamin E supplements have mixed effects on prostate cancer risk and may not be beneficial for everyone.
September 2025 in “Clinical Toxicology” Contaminated wheat caused hair loss and other symptoms due to high selenium, but washing it with alkaline water helped.