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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.

This study found that transverse sections of scalp biopsies, particularly looking at the anagen:non-anagen hair ratio and presence of pigment casts, effectively distinguish alopecia areata from androgenetic alopecia.

In this descriptive study, elderly patients most commonly presented with skin wrinkling, xerosis, and eczematous conditions, highlighting the difficulty in distinguishing normal age-related from pathological skin changes.

The document describes various skin conditions, their features, and treatments but lacks detailed study size information.

This review discusses the biological and cosmetic aspects of hair aging and reports no new clinical results; it highlights current treatments and future research directions to address both aging factors.

This study found that in a mouse model of bronchopulmonary dysplasia, minoxidil administered at 50 mg/kg/day did not impact lung development or inhibit lysyl hydroxylation.

This study suggests that hair follicles may be the primary target in the onset of various skin diseases, potentially spreading to affect the surrounding epidermis.

This article reports the first case of perforating necrobiosis lipoidica in Colombia and the 19th case worldwide in diabetic patients.

This case report describes a Japanese bone marrow transplant recipient who developed a high-risk cutaneous squamous cell carcinoma on the scalp, potentially linked to long-term voriconazole use.

This review discusses the etiology, pathogenesis, clinical presentation, and treatment of frontal fibrosing alopecia, noting the lack of clinical trial data and limited observational treatment results.

This chapter reviews common cosmetic dermatology techniques but presents no new findings; it discusses treatments like emollients and laser therapy for conditions like photoaged skin and acne scarring.

This study found that Polygoni Multiflori Radix (PMR) reduced collagenase and elastase activity after UVB damage in fibroblasts, suggesting potential anti-aging properties for cosmetic use.

The book details skin conditions in older adults, their link to mental health, cancer treatment importance, hair loss remedies, and managing autoimmune and itchy skin.

The document describes skin diseases affecting the outer ear in dogs and cats, their spread to other body parts, and treatment options.

This review examines the use of apremilast for non-FDA-approved dermatological conditions, noting varied efficacy but a favorable safety profile compared to conventional treatments.

This study used a 3D simulation to show that human hair provides varying levels of UV protection depending on head orientation and hair alignment, highlighting hair's role in scalp UV protection, especially for those with alopecia.

In this review, the authors discussed how men seek cosmetic procedures for distinct reasons compared to women, emphasizing the need for dermatologists to consider male-specific desires for discrete treatments with minimal downtime and differences in psychological motivations.

Skin aging reflects overall body aging and can indicate internal health conditions.

This article reviews melasma in men, its causes, and treatment options, but reports no new clinical findings.

Any drug can cause skin reactions, but antibiotics, NSAIDs, and psychotropic drugs are more common, with some reactions being life-threatening.

This chapter provides an overview of skin physiology, aging effects, and how environmental factors like UV damage impact skin health, without presenting new research findings.

Most bald men don't protect their scalp from the sun, and doctors should encourage prevention.

This study describes a unique case of hair transplantation between monozygotic twins to address congenital, nonprogressive alopecia caused by follicular aplasia in one twin.

This article discusses the psychological impact of skin imperfections and suggests establishing a Cosmetic Dermatology Service within public health systems to address these issues ethically.

This article discusses the role of clinical observation and microscopic correlation in American dermatology training and reports no new clinical results.

This review discusses current advancements in mesenchymal stem cell-based therapies for skin repair and rejuvenation, focusing on therapeutic strategies, particularly highlighting the potential of neonatal and placenta-derived MSCs, and reports no new clinical results.

This review provides an analysis of topical treatments with clinically proven efficacy for managing hyperpigmentation and concludes that the most effective approach is using combined therapies that target multiple aspects of skin pigmentation physiology.

This study explores the complex mechanisms of skin aging, including cellular senescence and disrupted communication, and highlights rejuvenation strategies like gene expression rewiring and microbiome modulation, offering potential frameworks for regenerative therapies and precise interventions in skin and systemic aging.

This study found that human skin melanocytes with low mutation burdens are smaller, less dendritic, and exhibit stem-like features, often residing in UV-protected hair follicles, suggesting their role in replenishing sun-damaged epidermis.

This review explores how various skin cell types contribute to photoaging driven by UV radiation, detailing their interactions and molecular mechanisms like oxidative stress and ECM degradation, ultimately offering insights for future anti-photoaging strategies.