16 citations
,
October 2015 in “Photochemistry and photobiology” This study found that higher concentrations of copper (II) ions in human hair increase protein oxidative modification, contributing to hair damage regardless of UV exposure and pigmentation level.
2 citations
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July 2024 in “Skin Research and Technology” Copper may protect against alopecia areata, while certain inflammatory markers increase risk.
10 citations
,
May 1986 in “Experientia” This animal study found that second generation mice exposed to excess zinc during gestation and lactation had reduced plasma copper, body weight, and hematocrit, with lighter and delayed hair development compared to mice on a normal zinc diet.
January 2015 in “Springer eBooks” Hair damage shows as fragility, dullness, and discoloration, varies by ethnicity, and is worsened by cosmetic procedures and diseases.
17 citations
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January 2013 in “International Journal of Cosmetic Science” This study found that individuals who perceive their hair health as poor tend to have higher levels of metals on their hair, emphasizing the impact of environmental metal exposure.