4 citations
,
December 2013 in “Acupuncture and related therapies” N-acetyl-cysteine shows promise in treating various diseases and may improve skin and hair conditions, but more research is needed on dosages and long-term effects.
January 2019 in “Springer eBooks” Some chemicals and drugs can cause hair loss, which usually grows back after stopping the treatment.
126 citations
,
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.
23 citations
,
October 1995 in “PubMed” Selenium exposure at work caused the worker's complete hair loss.
January 2018 in “ScholarWorks @UVM (University of Vermont)” Selenium in proteins helps prevent over-oxidation and supports chemical reversibility.
241 citations
,
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.
20 citations
,
July 1990 in “Pediatrics in Review” The four main causes of hair loss in children are fungal infections, pulling out hair, autoimmune hair loss, and stress-related hair shedding.
4 citations
,
January 1989 Hair and nails can indicate selenium levels in the body.
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.
63 citations
,
March 2000 in “Annals of clinical psychiatry” Some psychiatric medications can cause hair loss, but it usually grows back after adjusting the medication.
Adding zinc to papaya extract speeds up wound healing.
1 citations
,
January 2018 in “Molecular and integrative toxicology” Getting the right amount of selenium is important for health; too little can cause disease, and too much can lead to toxicity.
15 citations
,
January 2016 in “Przeglad Menopauzalny” Eating a balanced diet with specific nutrients is important for menopausal women to manage hair loss.
9 citations
,
January 2013 Alopecia areata patients have lower zinc, copper, and selenium levels than healthy people.
The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.
1 citations
,
March 1958 in “PubMed” March 2025 in “Skin Appendage Disorders” Selenium disulfide shampoo effectively reduces dandruff and improves scalp health for all hair types.
August 2024 in “Indian Journal Of Clinical Practice” A balanced diet and healthy lifestyle help manage PCOS symptoms.
August 2024 in “Journal of Cosmetic Dermatology” Telogen effluvium is linked to deficiencies in iron, vitamin B12, and thyroid function.
September 2023 in “Food and chemical toxicology” High doses of some selenium supplements caused liver and reproductive harm in rats.
21 citations
,
June 1991 in “Journal of Inherited Metabolic Disease” Selenium deficiency caused symptoms in a child, which improved with selenium supplements.
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.
1 citations
,
June 2016 in “DOAJ (DOAJ: Directory of Open Access Journals)” The Enterobacter isolate AMS1-S8 is effective for removing selenium from wastewater.
Four bacteria from the lab were found to be resistant to selenium.
79 citations
,
January 2017 in “Dermatology practical & conceptual” Correcting nutrient deficiencies may help with hair loss, but the benefits of supplements without a deficiency are uncertain and could be harmful.
70 citations
,
June 2010 in “Clinics in Dermatology” Certain groups may need vitamin supplements to improve hair health and prevent other health problems.
7 citations
,
August 2025 in “Plants” Selenium from plants is beneficial and safer for health.
5 citations
,
July 2019 in “Nutrients” Low selenium intake may delay puberty in boys but not in girls.
March 2025 in “Journal of Controlled Release” The new treatment using microneedle patches shows promise for better hair growth in androgenetic alopecia.
63 citations
,
May 2017 in “American Journal of Clinical Dermatology” People with alopecia areata often have lower levels of vitamin D, zinc, and folate, but more research is needed to understand if supplements can help treat it.