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This review discusses zinc's role as an essential trace element in human nutrition, particularly its importance in total parenteral nutrition, and reports no new clinical results.

This review explores the potential of metal nanoparticles as innovative treatments for alopecia, highlighting their effectiveness in promoting hair regrowth, enhancing drug delivery, and modulating gene expression while also assessing the related experimental methodologies and regulatory considerations.

This review discusses how changes in hair and skin may indicate underlying vitamin deficiencies and emphasizes the need to identify populations at risk for these deficiencies; it reports no new results.

This review discusses the mechanisms involved in wound healing and explores the potential of nanomaterials as a promising approach to managing chronic wounds, but reports no new clinical findings.

This literature review reports that multivitamin supplementation can enhance hair density and quality in people with suboptimal nutritional status but warns that excessive intake of certain vitamins and minerals may cause hair loss.

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.

This study found that cadmium levels were significantly higher in women with chronic telogen effluvium compared to healthy controls, suggesting cadmium toxicity might contribute to this hair shedding condition.

This review discusses the challenges and contradictions in understanding nanoparticle penetration and toxicity in human skin, emphasizing the need for standardized testing and further research on particles smaller than 10 nm.

This review highlights the potential of nanoparticle-based shampoos to improve dandruff treatment and cosmetic performance while noting concerns about nanoparticle toxicity and environmental safety that require further investigation.

This study found that Wistar rats fed with grass extracts from mining areas accumulated trace metals, particularly in the spleen, leading to organ pathology and signs of toxicity.

This study found that nitric oxide production in Solanum nigrum roots facilitates adaptation to excess zinc by promoting programmed cell death and altering root architecture.

This study found that zinc supplementation reduced the severity and delayed the onset of radiation-induced skin injury in rats, with the greatest protection observed at a dose of 10 mg/kg/day.

This study found that high-dose vitamin A and E supplementation with zinc may improve glycemic control and beta-cell function in patients with type 2 diabetes, compared to no supplements.

This article reviews the potential of Acyzol, a zinc-containing drug, to treat and prevent zinc deficiency conditions, but it reports no new clinical findings.

This review discusses medical conditions and therapies related to various elements, such as zinc, copper, mercury, cadmium, lead, chromium, and arsenic, without reporting new experimental results; it highlights past findings on deficiencies, toxicities, and historical cases.

This article addresses the need to screen for nutrient deficiencies in patients with hair loss but reports no new findings, noting that supplementation without deficiency may not be beneficial and could pose risks.

This review discusses various potential adverse effects of common oral vitamin and mineral supplements used in dermatology and highlights lesser-known issues like hematologic and neurologic effects from zinc.

This case report describes a 3-month-old infant with acquired acrodermatitis enteropathica who was successfully treated with zinc supplementation over 3 weeks.

This review discusses advances in nanomaterial-based wound dressings for infection control, highlighting their ability to detect and treat bacterial infections effectively, but reports no new clinical results.

This study found that while micronutrient abnormalities are common among patients receiving home parenteral nutrition, serious consequences from these abnormalities are rare.

This study found that a majority of dermatologists in Saudi Arabia believe in using vitamins and minerals to treat hair loss but emphasized the need for more research to confirm their effectiveness.

This study found that hemodialysis patients taking water-soluble vitamins had a 16% lower mortality risk compared to those not taking any, but the specific supplementation needed remains unclear.

This study developed a biomimetic 3D skin model with vascularization potential to assess the impact of nano-zinc oxide (nano-ZnO), finding that nano-ZnO significantly influenced genes related to apoptosis, inflammation, and oxidative stress in skin cells.

This study found that AGO@HPC nanocomposite films demonstrated enhanced mechanical, anti-ultraviolet, and antibacterial properties, suggesting potential for use in antibacterial packaging and wound-dressing applications.

In this study, a biocompatible zinc oxide nanocomposite loaded with the anticancer drug 9-Br-Nos demonstrated effective drug delivery and cytotoxicity against lung cancer cells in vitro, while also proving non-toxic to healthy cells, suggesting its potential for targeted lung cancer treatment.

This article reviews recent developments in microneedles combining metallic elements and herbal compounds for wound healing, highlighting their benefits such as enhanced therapeutic efficacy and reduced toxicity, and offering a reference for future advancements in this technology.

In this review, the authors summarized the potential therapeutic effects of metal ions in treating cardiovascular diseases, highlighting their roles in protecting cells, inducing angiogenesis, and adjusting ion channel functions, as well as discussing delivery strategies involving biomaterials.

This review highlights zinc's crucial role in both plant growth and human health, while noting the widespread problem of zinc deficiency in various soils, but reports no new findings.

This study found that high-dose oral zinc significantly influences hair growth in mice, showing both inhibition and promotion effects depending on the timing and duration of administration.

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.