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This review examines the adaptive value and mechanisms of seasonal coat colour moulting in birds and mammals, highlighting the challenge of camouflage mismatch and the necessity for evolutionary adaptation under climate change.

This review discusses the long-term cutaneous and ocular complications from sulfur mustard exposure in the Iranian population, identifying pruritus and malignant changes as significant issues and highlighting eye surface damage leading to visual decline.

This review discusses the synthesis and biological activities of jasmonates, highlighting their potential as drugs and prodrugs, but reports no new clinical results; further research and trials are anticipated.

This review discusses the physiological skin changes during pregnancy and reports no new clinical results, emphasizing the importance of distinguishing these changes from pathological conditions.

This study found that a peripilar white gray halo around hair emergence is a highly specific and sensitive dermatoscopic feature for diagnosing central centrifugal cicatricial alopecia in African American patients with mild central thinning.

In this study using a mouse model, the researchers found that platelet-rich plasma significantly increased the number of newly formed hair follicles and decreased the time for hair formation compared to no treatment.

This study developed a method for expanding human dermal papilla cells in vitro while maintaining their ability to induce hair growth, advancing the potential for follicular cell implantation as a treatment for hair loss.

This study reports that C3H/HeJ mice and DEBR rats serve as effective models for screening potential treatments for human alopecia areata, despite certain challenges in predictability and cost.

This article examines differences in aging among ethnic populations and highlights cosmetic procedures specific to skin of color, but reports no new research findings.

This review examines the pathogenesis of premature hair graying and potential treatment avenues, but reports no new experimental outcomes, highlighting ongoing research challenges and hopes for drug development.

This article explains the structure and multifunctional roles of the human skin, including its protective, regulatory, and sensory functions, but does not report new research findings.

This essay reviews the role of human scalp hair follicles in the "brain-skin connection," highlighting their dual function as targets and sources of neurohormones, without reporting new experimental results.

In this study, oral zinc sulphate was found to cause hair hypopigmentation and significantly inhibit eumelanogenesis in mice.

This study found statistically significant patterns in hair morphology and ultrastructure linked to biogeographic ancestry among European, African, and East Asian populations.

In this study, dogs with hair cycle disorders, especially those with alopecia X, showed a significant increase in the number of kenogen follicles, suggesting impaired induction of new hair growth phases.

This article explores the endocrine functions involved in the pathogenesis of polycystic ovarian syndrome and discusses approaches for diagnosing and managing the condition, with no new clinical results reported.

This study found that NFI-C plays a crucial role in the transition from the telogen to anagen phase of the hair follicle cycle, affecting hair growth initiation in mice.

This research found that spontaneous and depilation-induced hair growth result in biologically distinct telogen phases in murine skin, with variations in thickness, pigment content, and hair follicle composition.

This article reviews the structural similarities and common disorders of hair and nails, highlighting their joint involvement in congenital and acquired conditions, but it reports no new clinical results.

This paper reviews recent research on hair graying, suggesting that an imbalance in oxidative stress handling may affect melanocyte stem cells and melanin production with age, and calls for exploring strategies to prolong melanin production.

This study found that ethanol-extracted propolis stimulated hair growth in mice by promoting the proliferation of hair keratinocytes.

This study observed that follicular dysplasia in Weimar Pointers produces histopathological features and hair abnormalities similar to color dilution alopecia, though less severe.

This review highlights current treatment options for frontal fibrosing alopecia, noting that 5-α-reductase inhibitors, intralesional steroids, and hydroxychloroquine have the highest evidence of effectiveness, while other therapies show variable results and need further research.

This report describes four cases of patchy, non-scarring alopecia areata that spared gray hairs and affected only pigmented hairs.

This study found that Blumea eriantha silver nanoparticles promoted hair growth in treated animals, with activity comparable to minoxidil in terms of anagen follicle transition.

This study found that topical application of TSG from Polygonum multiflorum promoted hair regrowth in depilated mice, potentially through the inhibition of apoptosis-related proteins.

This letter reports repigmentation of hair in patients receiving latanoprost therapy.

This review discusses factors influencing hair pigmentation and the etiology of canities, noting the lack of clarity in underlying mechanisms and calling for further research on treatment options.

In this study, Epimedii Folium extract was found to enhance melanin production and promote pigmentation through mechanisms involving the MAPK/ERK1/2 pathway in both in vitro and in vivo models.

This systematic review and meta-analysis found 30 genetic loci associated with skin ageing phenotypes, noting shared biological pathways in aspects like pigmentation and wrinkling; researchers suggest further studies targeting the same SNP across populations could clarify these associations.