In this study, researchers developed a novel gel formulation combining zinc oxide nanoparticles and finasteride-loaded nanostructured lipid carriers, which showed promising results for topical delivery and effective skin penetration, potentially offering a new treatment approach for androgenic alopecia.
14 citations
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August 2016 in “Journal of nanomedicine research” This animal study found that biscuits fortified with zinc oxide nanoparticles improved growth, appetite, and hair growth in zinc-deficient rats more effectively than traditional zinc forms, without apparent toxicity.
1 citations
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October 2022 in “Surface Engineering and Applied Electrochemistry” This study reported that zinc nanoparticles synthesized from Monotheca buxifolia leaf extract demonstrated significant antimicrobial, antioxidant, and moderate hair growth-promoting activities, with potential use as a bacterial biosensor.
May 2026 in “Scientific and Technical Bulletin оf State Scientific Research Control Institute of Veterinary Medical Products and Fodder Additives аnd Institute of Animal Biology” The researchers reported that zinc carbonate nanoparticles stabilized with polyvinylpyrrolidone did not show local irritant or skin-resorptive effects in preclinical tests on rabbits and rats.
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.