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In this mouse study, severe selenoprotein deficiency in epidermal cells was linked to skin abnormalities, disrupted hair follicle development, and progressive alopecia, highlighting the role of selenoproteins in skin and hair health.

This study observed that postlaser hair removal hypertrichosis occurred in 0.6% of patients and appeared more common in darker skin types, but was a rare phenomenon overall.

This review discusses the role of 5α-reductase enzymes in androgen action and related disorders, noting that their specific inhibitory drugs show promise for conditions like benign prostatic hypertrophy; it reports no new clinical results.

This study suggests that finasteride's effect on promoting hair growth in men with androgenetic alopecia may be due to its inhibition of 5aR2 localized in hair follicles.

This review discusses evidence-based guidance for managing primary cicatricial alopecias but reports no new clinical results, highlighting significant gaps in knowledge and the need for more quality trials.

This review highlights the challenges in identifying histological features of adverse reactions to soft tissue fillers and emphasizes the need for increased awareness due to product uncertainty and delayed reactions.

This narrative review discusses lichen planus pigmentosus, including its variations, associated triggers, and management strategies, but reports no new clinical results.

This review describes the roles of 5α-reductase isozymes in prostate development and pathology and reports no new clinical results.

Finasteride helps regrow hair and shrink prostate by reducing DHT, with some sexual side effects.

This article proposes an updated naming system for keratin-associated proteins and genes, aiming to improve data storage and retrieval by including species information and genetic variation.

This meta-analysis found that lower serum SHBG levels are associated with an increased risk of PCOS, and improving SHBG levels through treatment may reduce PCOS complications.

This article reviews lichen planopilaris, a chronic scarring alopecia, and explores recent treatment developments, but it reports no new clinical results.

This review outlines the classification, histopathologic presentation, and pathogenetic concepts of scarring and nonscarring alopecias, reporting no new clinical results and emphasizing the need for clinicopathologic correlation.

This study introduced a new hair shading model that more accurately simulates light scattering on hair fibers, capturing effects not predicted by previous models.

This study found that beard hair medulla cells express an unexpected range of keratins, showing variability and promiscuous behavior in keratin interactions distinct from other hair follicle cells.

Trichoscopy is a useful non-invasive method for diagnosing different hair loss conditions.

Finasteride treats enlarged prostate, shrinks it, improves urination, but may cause sexual dysfunction and isn't for women or children.

This review examines the evolving field of nanozymes, highlighting their unique properties and biocatalytic capabilities that challenge traditional concepts of biocatalysis, with implications for sustainable applications and potential roles in physiological processes and disease pathogenesis.

This review presents evidence that correlations exist between hair mineral imbalances and various diseases, though inconsistencies in results highlight the need for standardized preparation methods.

Treatments for melanin disorders exist, but more effective options needed.

This review discusses the complex pathophysiological and clinical aspects of COVID-19, including dermatological findings and their association with SARS-CoV-2 infection but reports no new clinical results.

This review highlights various methods of stem cell communication that reflect the unique organization and function of different tissues and reports no new results.

This review proposes focusing on relationships between neuroactive steroids and psychiatric disorder symptoms, rather than relying on traditional disorder classifications, and reports no new clinical findings.

This study describes a case of vitamin D resistant rickets in a young girl due to end organ unresponsiveness, highlighting a possible new subtype of the disorder with distinct clinical features.

This study found that the Verhoeff-Van Gieson stain effectively distinguishes scarred from non-scarred dermis and aids in classifying types of permanent alopecia based on elastic tissue patterns.

This study found that sympathetic nerves and arrector pili muscles form a niche that modulates hair follicle stem cell activity, revealing their role in hair follicle regeneration.

This study found that Santolina oil was effective in controlling experimental candidiasis in both in vitro and in vivo settings and enhanced the effectiveness of clotrimazole against Candida albicans in vitro.

This study discovered nine human type I hair keratin genes, including a transcribed pseudogene, in a 190 kbp genomic region, revealing three gene subclusters based on sequence homologies.

This article discusses toxic epidermal necrolysis, highlighting its high mortality rate despite aggressive treatment, and notes controversy over using high-dose systemic corticosteroids as therapy.

Most dermatologic medications are safe during pregnancy and breastfeeding, but some should be avoided due to potential risks.