65 citations
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January 2009 in “Annals of Dermatology” In this study, oral zinc supplementation for twelve weeks increased serum zinc levels in alopecia areata patients with low zinc, showing positive hair regrowth in 66.7% of participants, though this was not statistically significant.
22 citations
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December 1992 in “The journal of pediatrics/The Journal of pediatrics” This study reported that oral zinc therapy improved hair and skin abnormalities in patients with dry brittle hair, alopecia, and other symptoms, regardless of demonstrated zinc deficiency.
16 citations
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March 2015 in “Dermatologic therapy” This study reported two cases of alopecia areata where hair regrowth was achieved with zinc gluconate and sulfur amino acids after relapse post-PUVA cessation, suggesting potential zinc responsiveness in some patients.
2 citations
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January 2016 in “DOAJ (DOAJ: Directory of Open Access Journals)” In this report, three patients experiencing levetiracetam-induced hair loss showed improvement with zinc sulfate supplementation while their seizures remained controlled.
November 2025 in “Frontiers in Veterinary Science” In this study, zinc supplementation at 2.00 g/camel/day improved hair growth in lactating camels but did not affect milk production, while for calves, doses of 0.50–0.75 g/camel/day enhanced growth and hair development.