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In this study, zinc chloride was found to be severely irritant to the skin in rabbit, guinea-pig, and mouse models, while zinc oxide, zinc sulphate, zinc pyrithione, and zinc undecylenate showed minimal to no irritancy.

This study found that isoliensinine, a natural compound identified from a database, effectively prevented stress-induced hair greying in mice by blocking β-2 adrenergic receptors on melanocyte stem cells in hair follicles.

This study found that a compound additive improved the growth and fur quality of blue foxes, with a 28.7% increase in weight gain and longer pelt lengths compared to the control group.

This review summarized and classified 32 approved synthetic and natural-identical antioxidants, examining their regulatory status, safety, pharmacological properties, and effectiveness on human health, aiming to clarify their antioxidant actions and encourage further research in the field.

This study analyzed the nutritional composition of 75 nutricosmetic products, finding common ingredients like biotin and zinc, but emphasized the need for further research on their effectiveness for hair and nail health.

Some nutrients and antioxidants may improve skin and hair health, but more research is needed to confirm these benefits.

This review discusses age-related and environmental factors affecting scalp hair changes in women, highlighting diagnostic complexities and ongoing research into targeted treatments, without reporting new clinical results.

This review suggests that certain nutritional supplements may have a potential role in improving hair loss, though evidence quality varies, and such treatments should be discussed collaboratively between physicians and patients.

This case report presents the first genetically confirmed case of acrodermatitis enteropathica in Korea, identifying compound heterozygous mutations in the SLC39A4 gene in an 8-month-old boy.

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 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.

AGA is a genetic, hormonal hair loss treated with finasteride, minoxidil, and supplements, but new compounds are being developed.

In a study on diabetic mice, researchers developed a protein-based hydrogel that leverages zinc ions and the natural compound phellopterin to promote cutaneous nerve regeneration, angiogenesis, and tissue remodeling in diabetic wounds, highlighting its potential for advanced wound therapy.

This review discusses the use of zinc in treating dermatological conditions and concludes that, aside from systemic zinc deficiency, its efficacy as a primary treatment is unproven, though it may be useful as a supplementary therapy.

This study observed that zinc deficiency in humans and mice was associated with diminished allergic contact dermatitis but increased severity and duration of irritant contact dermatitis.

This review summarizes causes and treatments of androgenetic alopecia with a focus on herbs as potential alternatives, but reports no new results and suggests more research is needed to validate these options.

This case report describes a child with acrodermatitis enteropathica and normal zinc levels who developed Kaposi's varicelliform eruption, highlighting the role of novel SLC39A4 variants and the importance of early zinc supplementation and antiviral prophylaxis.

This study found that nanoparticles did not permeate intact rat skin but could penetrate skin that had been artificially punctured, primarily through grooves or hair follicles.

Fenugreek leaf extracts significantly promoted hair growth in mice with alopecia.

This study explored the phytochemical profile of Delphinium brunonianum, reporting that its extracts and synthesized nanoparticles demonstrated significant radical scavenging, enzyme inhibition, and antimicrobial activities, suggesting future potential in medical applications.

This case report found that a child with acrodermatitis enteropathica showed significant improvement in symptoms after continuous zinc supplementation and identified two SLC39A4 mutations through genetic sequencing.

This review examines complementary and alternative medicine for alopecia and finds limited support from robust clinical trials, highlighting the need for standardized studies to evaluate efficacy and safety.

Eating a balanced diet with specific nutrients can help manage menopause symptoms and prevent related health issues.

Hair care products are important for appearance and self-esteem, and choosing the right ones can help maintain healthy hair.

This study found that inhibiting the interaction between CXXC5 and Dishevelled could stimulate hair regrowth in mouse models by enhancing WNT/β-catenin signaling, suggesting a potential therapeutic strategy for hair loss involving compounds that block this interaction, such as interfering short peptides.

This study analyzed Sphenodesme involucrata var. paniculata leaves and found high carbohydrate and calcium content, along with several bioactive compounds, supporting their use in traditional medicine for their nutrient-rich properties.

This review discusses the potential role of nutraceuticals in preventing and treating COVID-19 and post-COVID syndrome, but reports no new clinical findings; the authors highlight the need for further research.

This review explores how microneedles can improve the delivery of dermatological treatments by bypassing the skin's outer barrier, discussing their potential use in managing skin diseases, cosmetic applications, and challenges related to clinical adoption.

This case report identified two new SLC39A4 mutations in twin patients with acrodermatitis enteropathica, suggesting that different mutations in this gene may lead to varying clinical manifestations of the disorder.

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.