15 citations
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March 1997 in “International Journal of Dermatology” Selenium sulfide in anti-dandruff shampoos can turn hair green.
January 2015 in “Springer eBooks” Hair damage shows as fragility, dullness, and discoloration, varies by ethnicity, and is worsened by cosmetic procedures and diseases.
6 citations
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January 1988 in “PubMed” Swimming in pools with high copper can turn hair green, especially if hair is damaged.
Melampus might have cured Proetus' daughters, who possibly had ergotism or Cushing's syndrome, using the herb Helleborus niger, but a mix of factors could have caused their symptoms.
February 2026 in “Cureus” The Q-switched ruby laser effectively lightened eyebrow tattoos but may reduce eyebrow hair density.