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This report describes a unique benign neoplasm on the nail unit called onychoblastoma, which histologically resembles a trichoblastoma, marking the first documented case of this tumor type.

This study found that levels of the protein MAGP-1, important for skin elasticity, decrease with aging and photoexposure, potentially contributing to skin fragility, sagging, and enlarged pores.

This review discusses the unique properties, design, and fabrication of peptide hydrogels for biomedical applications, focusing on advances in drug delivery, gene therapy, and regenerative medicine; it reports no new clinical results.

In this study, ultrasound was found to alter the distribution of fibronectin in collagen hydrogels, leading to enhanced microtissue formation, suggesting potential applications in tissue engineering.

This study found that human hair exhibits significant deformation in its intermediate filaments under strain, with recovery taking about 1000 minutes, suggesting a self-healing period post-mechanical stress. Additionally, cuticle scales deform much less than the cortex, and the Poisson ratio aligns with soft matter properties.

This review discusses the design, properties, and potential applications of smart microneedles, with no new clinical results presented.

Specific cross-linkages help make hair proteins stable and strong.

This study demonstrated that keratin can be effectively extracted from wool using alkaline solutions and that the extracted keratin maintains reactivity similar to that from other low-value sources like cattle hair.

In this study, researchers detailed how hair follicles regenerate after microsurgical amputation, observing a wound reaction involving dynamic dermal-epidermal interactions and changes in extracellular matrix components.

This study found that bioengineered skin substitutes developed for 21 or 28 days effectively mimic native skin's ability to absorb UV radiation, suggesting suitability for treating severe skin defects.

This review reports that oral collagen peptide supplements may improve skin elasticity, hydration, and wrinkle appearance while also supporting hair and nail health and wound healing, but emphasizes the need for longer, high-quality studies due to current research limitations and variability in findings.

In this study, araliadiol, a plant-derived compound, exhibited senomorphic effects in three dermal fibroblast senescence models, suggesting its potential as a topical treatment to mitigate skin aging by reducing certain senescence-related markers and increasing procollagen type I content.

This review explores recent advancements in skin tissue engineering using 3D bioprinting, discussing current methods, bioink formulations, and outlining both achievements and limitations without presenting new clinical results.

This study found that intradermal injection of Secreted Frizzled-related Protein 4 inhibits, but does not block, hair follicle regeneration in mice, suggesting potential therapeutic applications for hair follicle regeneration disorders.

In this study, researchers found that a scallop adhesive protein (Sbp9 Δ) forms strong adhesive coatings via disulfide-sticker strategies, which also promote hair regeneration in mouse models by activating Wnt signaling and enhancing angiogenesis, proving more effective than minoxidil for androgenetic alopecia.

This review assesses the benefits and limitations of various supramolecular hydrogels, including polymeric and peptide-based types, for wound healing, but reports no new clinical results.

This paper reviews various techniques for measuring the physical and mechanical properties of human hair fibers, emphasizing their importance in developing effective cosmetic products.

This study introduced a novel in vitro assay for tracking melanosome transfer between melanocytes and keratinocytes, facilitating the quantification of melanin transfer and supporting the role of filopodia as a conduit.

This study identified a novel mutation, R430Q in the KRT86 gene, in a Han family with monilethrix, which may contribute to the disease's pathogenic mechanism.

This review discusses the roles of tissue-specific and mesenchymal stromal cells in tissue repair and reparative disorders, highlighting potential therapeutic targets for muscle, heart, and lung tissues.

This review discusses the chemical effects of UV radiation on hair, hair photoaging, and photoprotective measures, and calls for more focused research in hair photoprotection as a field.

This review summarizes the characteristics of the peri-malignant melanoma stroma, indicating its potential role in early dermal metastatic migration and increased metastasis risk.

This study found that the expression levels of nucleolin, nucleophosmin, and UBTF genes were lower in normal sites compared to hair loss sites in males with alopecia.

This chapter reviews the use of electrospun matrices in creating tissue-engineered skin substitutes and reports no new clinical results; it emphasizes the need for a cell-friendly microenvironment.

Genetic mutations cause various hair diseases, and whole genome sequencing may reveal more about these conditions.

This study found that keratin-75, discovered in enamel tissue, is secreted by ameloblasts using an unconventional pathway involving the ER-Golgi-Intermediate-Compartment and Golgi, differing from typical cytokeratin localization.

This study found that UV laser-induced fluorescence spectroscopy can effectively differentiate between types of alopecia in patients, showing a high correlation between blood circulation levels and tissue autofluorescence intensity.

This overview discusses the anatomy and function of hair, emphasizing the need for natural hair cosmetics due to the harmful synthetic chemicals in many current products.

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 review discusses the effects of estrogens on skin aging and highlights the potential benefits of estrogen replacement therapy and selective estrogen receptor modulators for improving skin health in postmenopausal women, but reports no new clinical findings.