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This article discusses various aspects of hair and scalp health, ancient philosophical perspectives on hair, and causes of hair disorders in children, without reporting new clinical results.

This review discusses the 2023 International Guideline for PCOS assessment and management, highlighting updated evidence-based recommendations and practice points aimed at improving care and health outcomes, but notes that research quality remains generally low to moderate.

This review examines the effectiveness of current treatments for androgenetic alopecia, offering plastic surgeons evidence-based guidance for choosing safe and effective options, but reports no new results.

In this study, researchers found that coordinated intercellular Ca2+ signaling among basal stem cells in mice is crucial for cell cycle progression and tissue-wide communication during epidermal regeneration.

This study found that liposomal formulations improved minoxidil delivery to skin layers compared to niosomes and a control solution, suggesting enhanced potential for topical hair loss treatment.

This study found that male androgenic alopecia patients using the X5 hair laser device showed a statistically significant increase in hair growth over a 26-week period.

This study found that Transcutol-containing vesicles improved the delivery of minoxidil to deeper skin layers in vitro but did not facilitate its permeation through the skin.

This study found that ZnO nanoparticles in topical skin products do not penetrate beyond the outer skin layers in humans, suggesting minimal safety concerns for subdermal absorption.

This study developed an efficient LC-MS bioanalytical method to simultaneously quantify minoxidil sulphate and latanoprost in skin layers, supporting the formulation of topical treatments for androgenic alopecia.

This study found that scalp hair follicles had higher expression of cytokeratin 15 and distinct hair layers compared to other body regions, highlighting differences in hair follicle characteristics.

In this study, researchers found that the thickness of various skin layers in Bos indicus cattle varied significantly by body region, with the neck and shoulder being thickest, and that male skin might be more suited for quality leather production compared to female skin.

This study found that two years after treatment, the continuous-wave Sharplan 40C SilkTouch laser system led to better collagen organization compared to the pulsed Coherent 5000C UltraPulse system in patients who underwent skin resurfacing.

This study introduced a rapid rehydration approach for creating customizable, multifunctional hydrogel sensors, enabling precise detection of surface deformations and easy integration of layers, highlighting its potential for standardized and adaptable manufacturing of wearable devices.

In this randomized, double-blind trial, researchers observed that low-level laser therapy led to significantly greater hair regrowth on treated areas compared to a sham treatment in patients with androgenetic alopecia over 24 weeks, suggesting it as a potentially effective and safe option.

This study found that 808 nm laser photobiomodulation altered mitochondrial respiration and enhanced osteogenic protein expression in human dental pulp stem cells, with the effects being dose-specific and more pronounced at 15 J/cm².

This study identified altered expression of MMP-19 in the skin's epidermal layers during diseases like psoriasis and eczema, implying a role in disease processes.

This study developed multifunctional microneedle patches with CTB nanozymes that successfully eradicated MRSA infections in wounds by combining near-infrared laser-induced nitric oxide release and local hyperthermia, while also regulating oxidative stress, inflammation, and angiogenesis through specific signaling pathways.

This study reported that solid lipid nanoparticles of finasteride decorated with chitosan enhanced drug retention in skin layers, suggesting potential application in treating androgenic alopecia and benign prostate hyperplasia with fewer side effects.

This case study details an elderly patient with multiple nasal vestibular furunculosis leading to severe tissue damage and a nasolabial fistula, which was addressed using an alar advancement flap after allowing for tissue healing.

This study found that papain/bisulfite disintegrates human hair cuticles by dissolving the endocuticle, potentially accelerated by ethanol's removal of cell membrane material.

This review discusses the role of epidermal differentiation complex genes and epigenetic mechanisms in skin development and certain diseases, emphasizing their potential for improving drug development and delivery systems but provides no new experimental results.

This review highlights the critical role of TGF-β and FGF signaling pathways in the development and regeneration of skin layers, particularly the dermis, and discusses their significance in advancing future clinical applications in dermatology.

This review discusses advances in understanding hair and hair follicle structure, gene expression, and molecular signals in hair formation, without reporting new clinical findings.

This study reports the successful differentiation of mouse induced pluripotent stem cells into keratinocytes that can regenerate skin and its structures in an in vivo environment.

In this study, autophagy was commonly observed during keratinization in neonate rat hair follicles, suggesting lysosomal proteases and cytoplasmic enzymes may coordinate in hair follicle cell differentiation.

This study identified a missense mutation in the keratin 71 gene as the cause of autosomal dominant woolly hair/hypotrichosis in a Japanese family, marking the first human mutation in KRT71 linked to a hair disorder.

Scientists turned rat thymus cells into stem cells that can help repair skin and hair.

This review examines microneedle patches for drug delivery, detailing their designs, materials, manufacturing methods, and potential advantages, but reports no new clinical results.

In this study, a bioengineered construct using a biodegradable polycaprolactone mat cocultured with human keratinocyte and rabbit dermal fibroblast cells demonstrated potential as a tissue-engineered skin substitute, showing good cell adhesion and growth.

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.