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This review examines the roles and benefits of chitosan in cosmetics and oral hygiene, highlighting its potential in the cosmeceutical market, but it reports no new results.

This review discusses the role of the circadian clock in skin functions such as cell proliferation and UV protection and reports no new results; the authors note its potential in studying immune regulation and seasonal behaviors.

This review examines apoptotic and anti-apoptotic mechanisms in skin homeostasis and related diseases but presents no new research findings.

This study found that human hair follicles serve as a crucial reservoir for Langerhans cells, which repopulate the epidermis depleted by ultraviolet B exposure.

This review summarizes the cutaneous manifestations of lupus erythematosus, noting both non-specific and disease-specific lesions, and highlights the role of skin biopsies and treatments available for cutaneous LE.

This review discusses the influence of oestrogens on various skin components and highlights their modulatory roles and receptor pathways, but it reports no new clinical results.

This review highlights the challenges in treating alopecia areata, noting that current therapies often lead to relapse and have uncertain long-term effectiveness; it also points to potential future treatments such as JAK-STAT inhibitors and PRP.

In this study, UVB irradiation of organ-cultured human anagen hair follicles in vitro reduced hair elongation and increased cell death, affecting hair growth and regulatory processes.

This review describes the types of skin lesions associated with systemic lupus erythematosus, discussing their histopathological features, serologic associations, pathogenesis, and prognostic implications.

This article reviews anthralin's pharmacology, mode of action, and its use for psoriasis and other dermatoses, but reports no new clinical results.

This study found that the water extract of Eclipta prostrata L. may protect skin cells against UVB-induced damage, likely due to its antioxidant properties and absorption of UVA and UVB radiation.

This book reviews actinic keratosis from a multidisciplinary perspective, covering topics such as epidemiology, immunology, and clinical manifestations, but reports no new research results.

This review explores regenerative medicine approaches for vitiligo and alopecia areata, focusing on pathways for repopulating melanocytes and regrowing hair follicles, and summarizes potential treatments without reporting new clinical results.

This study provides evidence-based recommendations for the off-label use of topical vitamin D in treating certain skin conditions, but highlights the need for higher quality studies for further validation.

This review found that oral methotrexate plus oral prednisone may improve disease activity or damage in juvenile active morphea compared to placebo plus prednisone, but adverse events may slightly increase.

This review discusses the interactions between melanocyte stem cells and their niche in hair regeneration and repair, but reports no new results; recent studies on molecular pathways are highlighted.

This review discusses physiological skin changes and specific dermatoses in pregnancy but reports no new clinical results, emphasizing careful diagnosis and management due to potential fetal risks in rare cases.

This study found that extracellular ATP released from UVB-irradiated keratinocytes promotes melanin production through the P2X7 receptor, indicating a role for ATP-P2X7 signaling in UV-induced melanogenesis.

This study found that UV-B exposure significantly increased the expression of inflammatory cytokines IL-1β and IL-8 in cultured sebocytes.

This article discusses recent advancements in treatments for psoriasis, including new drug approvals and innovative therapeutic approaches, but reports no new clinical results.

This review discusses environmental factors like UV radiation and smoking that affect hair health and highlights the potential role of nutrition, but it reports no new results.

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

This study found that UVB radiation significantly alters miRNA expression and induces cytotoxicity and apoptosis in normal human dermal papilla cells.

This study found that higher concentrations of copper (II) ions in human hair increase protein oxidative modification, contributing to hair damage regardless of UV exposure and pigmentation level.

This review discusses the unique dermatologic needs and conditions affecting women of color, noting specific skin and hair conditions but reports no clinical results.

In this study, 15d-PGJ2 administered in a topical cream inhibited oxidative and inflammatory skin changes caused by UVB radiation in hairless mice, suggesting it as a promising treatment approach.

This study demonstrated a method for delivering a photosensitizer, Ammi majus fructuum furocumarines, into hair follicles using calcium carbonate particles, followed by UVA irradiation, which led to significant pigment accumulation, indicating potential improvements for photochemical therapy.

This article reviews nonscarring and scarring hair loss conditions that may mimic androgenetic alopecia, reporting no new clinical results and highlighting the need for accurate diagnosis in hair restoration surgery.

This study found that topical ginsenoside Rg1 may protect skin from UVB-induced damage in mice by reducing pathological changes and modulating cytokine mRNA expression associated with inflammation and immune response.

This review discusses the cutaneous side effects associated with vemurafenib and ipilimumab in metastatic melanoma treatment and emphasizes the importance of dermatologists in managing these skin eruptions; it reports no new clinical results.