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This study found that sunlight exposure causes significant structural and chemical damage to hair, including cuticle loss, cortex damage, and discoloration, with water playing a major role in discoloration of brown hair.

This review discusses unspecific factors involved in the pathogenesis of skin diseases and potential ways cytokeratin changes might alleviate these conditions, but reports no new clinical results.

This article, a special issue on hair follicle biology and pathology, reports no new research findings.

This report describes a case of a patient with metastatic renal cell carcinoma who developed a psoriasiform skin lesion while undergoing immune checkpoint inhibitor therapy.

In this clinical case report, a 10-year-old girl developed acute hair matting three weeks after scalp trauma and frequent povidone-iodine use, suggesting that scalp injuries and antiseptic overuse can be risk factors for this condition, especially when hair care is poor.

This study found that single high-dose irradiation in mice induced more severe acute skin injury and hair depigmentation, while fractional doses led to longer-term damage in the dermis and subcutis.

This editorial synthesizes research on UV-induced skin damage, highlighting potential therapeutic strategies by mapping cellular changes, identifying molecular mechanisms, demonstrating melanocyte protection, and proving combination therapy effectiveness in conditions like vitiligo.

EGFR-targeted cancer therapy can cause skin issues starting at hair follicles, leading to inflammation.

A man got severe skin irritation after using marking nut sap for hair loss.

In this study, trypsin digestion was found to be a faster and more efficient method than the explant technique for extracting bulge-derived keratinocytes from adult scalp biopsies.

This study found that sulfur mustard affects hair follicles and sebaceous glands in the skin by causing cellular damage, inflammation, and disrupting wound healing processes in hairless mice.

This study found that combining CelluTome system and RCM is a safe and effective protocol for evaluating wound healing responses in patients with epidermolysis bullosa.

This chapter examines how toxins such as inorganic arsenic, dioxin, and bacterial toxins can disrupt the balance of keratinocyte stem cell regeneration and differentiation, affecting skin barrier maintenance.

Some treatments can improve skin's defense against damage, but overuse may cause other skin problems.

This study suggests that inflammation in the skin can exacerbate intestinal inflammation in inflammatory bowel diseases by activating fibroblasts in the colon through hyaluronan fragments released during skin inflammation.

This case study documented a black male newborn developing large bullae that healed with hypopigmentation, suspecting proteolytic enzymes in keratinocytes caused the collagenolysis responsible for the condition.

This study found that many childhood cancer survivors at one institution delayed dermatologic care and had inadequate sun protection, risking late diagnosis of skin complications from cancer therapy.

This review discusses the complex process of wound healing and emerging areas of interest in wound treatment, reporting no new clinical findings.

New findings on hair keratin, wound healing, and skin blistering were presented.

This study found that treating reconstructed human epidermis with beta-lipohydroxy salicylic acid increased tight junction remnants in the stratum corneum, potentially affecting skin cohesion and desquamation.

This review discusses the diagnosis and management of severe cutaneous adverse reactions to drugs and provides guidance for physicians to improve patient outcomes, but it reports no new clinical results.

This article reviews risk factors and warning signs of elder abuse in different settings, emphasizing the importance of dermatologists in correctly identifying potential abuse injuries, but presents no new clinical findings.

This study found that exposure to 12-O-tetradecanoyl-phorbol-13-acetate in mouse skin caused changes in claudin expression and localization, indicating disruption and eventual recovery of the epidermal barrier.

This article overviews dermatologic findings in forensic pathology and reports no new results; it emphasizes the importance of recognizing skin manifestations in identifying types of injury.

In this study, 37.5% of patients with nodal or metastatic cutaneous melanoma treated with immune checkpoint inhibitors developed skin adverse events, primarily low-grade rashes, vitiligo, and other dermatological symptoms, occurring mainly after 10 weeks of treatment.

This study found that UV radiation exposure during a simulated Brazilian summer caused more significant mechanical damage to natural hair than bleaching, although both caused comparable structural alterations, with double bleaching leading to the most severe protein degradation.

Hair damage shows as fragility, dullness, and discoloration, varies by ethnicity, and is worsened by cosmetic procedures and diseases.

This study reports that the loss of Langerhans cells in lichen planopilaris scars may be linked to the downregulation of ITG αvβ6, which is not seen in other scar formation diseases.

This study found that extensive cuticle damage from diperisophthalic acid oxidation did not alter the tensile properties of human hair, suggesting that these properties are mainly due to the cortex rather than the cuticle.