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Local skin glucocorticoid production is crucial for healthy skin, and its disruption can lead to skin diseases.

This article discusses the multifactorial etiopathogenesis of acne vulgaris, highlighting the roles of sebum production, keratosis, bacterial development, and inflammatory mediators, but reports no new clinical results.

This study documented a variety of skin lesions in COVID-19 patients, indicating that skin rashes might be an early or sole symptom of the disease.

This review discusses the potential risk mechanisms for COVID-19 in women with polycystic ovarian syndrome due to hyperandrogenism and calls for further research, but reports no new findings.

This article reviews the prevalence, causes, and associated conditions of hidradenitis suppurativa, a chronic inflammatory skin disease, but reports no new clinical findings.

This historical review examines the diagnostic and etiological understanding of alopecia areata, emphasizing the evolution of theories and the impact of immunological data, while providing no new clinical results.

This study provides a framework for understanding different types of alopecias based on immune privilege collapse at specific follicular sites, revealing distinct patterns in immune effector programs and stromal influences depending on the alopecia type.

The document describes how to tell different types of non-scarring hair loss apart by looking at hair and scalp tissue under a microscope.

This chapter reviews recent developments in vitiligo research, highlighting the role of melanocyte stem cell differentiation and oxidative stress in its management, but reports no new clinical results.

Hair graying may help prevent cancer by protecting stem cells.

In this study, cosyntropin-induced cortisol spikes did not affect hair cortisol concentration in captive grizzly bears, contrasting with stress responses observed in free-ranging bears during capture.

This study identified non-structural proteins in preschool children's scalp hair that suggest potential biomarkers for brain development, immune function, and stress response with heritability and age-related differences.

This review discusses the molecular basis and clinical implications of primary generalized glucocorticoid resistance and hypersensitivity, attributing them to mutations in the human glucocorticoid receptor gene, and reports no new clinical findings.

This article discusses various forms of hair loss and their psychological impacts, noting the lack of definitive treatments, but reports no new clinical findings.

This study reviewed recent theories on alopecia areata's pathogenesis, highlighting its autoimmune nature due to immune privilege disruption in hair follicles, and noted current treatments have limited efficacy with high relapse rates, underscoring the need for further research into its mechanisms for better therapies.

This review discusses the pathogenesis and challenges in treating primary cicatricial alopecia, highlighting the need to understand immune protection collapse in hair follicle stem cells; it reports no new clinical results.

This review discusses the interplay between hormonal and immune systems in hair follicles and reports no new results, highlighting the need for further research on their role in skin biology and alopecia areata.

This study suggests that an in ovo injection of CHIR-99021 promoted feather growth and follicle development in goose embryos by activating the Wnt signaling pathway.

This review discusses the shared biological mechanisms between allergy and autoimmunity, emphasizing pruritus as a central symptom in psychophysiological dermatoses, and reports no new clinical results.

This article discusses autoimmune-associated alopecia areata, highlighting its psychological and social impact, but reports no new clinical findings.

Mice treatments didn't grow hair, a patient treatment may affect immune response, and people with hair loss often feel anxious or depressed.

This study found that both genetic and epigenetic factors significantly influence age-related facial skin aging, with lifestyle and environmental factors also playing a substantial role.

This study found that school-related stress increases hair cortisol in girls and alters hair testosterone and cortisol levels in boys, indicating gender-specific hormonal responses to environmental changes.

This study found that systemic administration of NDP-MSH, a melanocortin receptor agonist, provided neuroprotective effects on dopaminergic nigrostriatal neurons in a mouse model of Parkinson's disease, reducing neuroinflammation and suggesting a role for regulatory T cells in these neuroprotective effects.

This review discusses the brain-skin connection, the skin's role in stress response, and highlights unmet challenges in understanding stress-induced skin inflammation but reports no new experimental findings.

This review discusses the complex relationship between stress and various skin conditions, highlighting the role of the skin in the stress response and the brain-skin communication pathways, but reports no new research findings.

This study demonstrates that warming hands can restore normal blood flow in patients with systemic sclerosis, making their response to cooling similar to that of healthy controls.

This review discusses the roles of dermal white adipose tissue (dWAT) as an insulator, antibiotic, and regenerative tissue, highlighting its importance in systemic metabolism and immune function, but reports no new clinical results.

This study observed that hair cortisol levels increased during pregnancy and positively correlated with certain systemic cytokines postpartum, suggesting potential associations with perinatal outcomes.

This case report describes a 17-year-old girl with telogen effluvium and severe hair loss following a suspected COVID-19 infection and a history of similar episodes since childhood.