4 citations
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December 2008 in “The Thai Journal of Veterinary Medicine” This study found that zinc methionylglycinate supplementation improved haircoat characteristics and zinc absorption in dogs compared to zinc sulfate.
This study found that supplementing dog food with zinc methionyl glycinate at 160 ppm improved hair growth rate, zinc levels in plasma and hair, and hair condition more than lower doses or sulfate form.
264 citations
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January 2008 in “Journal of biomedical optics” This study found that ZnO nanoparticles in topical skin products do not penetrate beyond the outer skin layers in humans, suggesting minimal safety concerns for subdermal absorption.
246 citations
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April 1976 in “Annals of Surgery” In this study, a syndrome of zinc deficiency was observed in adults receiving intravenous feeding, with zinc supplementation improving symptoms except for delayed hair regrowth.
165 citations
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January 2014 in “Dermatology Research and Practice” This review discusses the various dermatological applications of zinc, including its use in treating infections, inflammatory dermatoses, pigmentary disorders, and neoplasias, and reports no new clinical findings.