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This review discusses the role of polarity signaling in coordinating tissue mechanics, micro-environmental functions, and cell fate decisions, but it reports no new results, highlighting the need for further study in mammalian models.

This study investigated the mechanical response of the human hair cuticle to strain and found that cuticular deformation directly corresponded with fiber elongation, revealing significant molecular-level changes in disulfide crosslinks but maintained structural stability, highlighting the role of the cuticle in stress resistance.

This study reveals that somatosensory neurons in mouse skin exhibit structural plasticity during hair-follicle regeneration, which may temporarily impair the reliability of encoding gentle touch.

This study developed a nanoscale biomimetic matrix that effectively and stably expands human hair follicle stem cells, offering a new tool for hair follicle reconstruction research.

This review suggests that although hydrolyzed collagen peptides with certain supplements may improve skin elasticity and joint function, evidence for collagen's anti-aging and regenerative benefits remains inconsistent.

This study revealed that during avian skin development, complex tissue architecture results from specific cellular flows and mechanical processes that guide feather bud protrusion and elongation, with distinct differences noted in scale development, where rigidity restricts such transformations.

This study found that dedifferentiated corneal epithelial cells can revert to a stem-cell-like state, aiding tissue homeostasis and repair, with this plasticity limited to the epithelial lineage and enhanced by niche-derived cytokines.

This narrative review explores how exosomes and cell culture-conditioned media are becoming key players in the cosmetic industry for skin rejuvenation and prejuvenation, emphasizing their multifunctional topical benefits and potential future applications.

This study found that novel thiol-reactive cross-linking agents, particularly APA, significantly improved the tensile strength and elasticity of human hair fibers by effectively regenerating disulfide bridges, with potential applications for advanced hair repair treatments in the cosmetic industry.

In this review, biomaterial-based mechanical strategies were highlighted for their potential to enhance skin regeneration and promote scarless repair, though a comprehensive understanding of their underlying mechanisms is still needed for broader application.

This study demonstrated that regular use of LactoSporin cream for 10 weeks significantly reduced wrinkles and fine lines in healthy female participants, although improvements in skin elasticity and hydration were not significantly better than placebo when measured by certain instruments.

In this study, researchers developed vegan exosome-like vesicles from microalgae that mimic mammalian exosomes, demonstrating promising in vitro, ex vivo, and clinical effects such as improved wrinkle depth and elasticity, making them a potential alternative in cosmetic applications.

In this study, orally administered Centella asiatica extract, standardized for asiaticoside content, significantly improved skin barrier function, elasticity, and reduced signs of UVB-induced photoaging in hairless mice, highlighting its potential as a nutricosmetic for skin health.

In this study, a systematic review highlighted the potential of exosomes in cosmetics and regenerative medicine for improving skin rejuvenation and addressing aging, while also pointing out existing challenges such as regulatory hurdles and the need for more clinical validation.

This paper reviewed studies from 2019 to 2025 on the use of olive oil and other derivatives from the European olive tree for skin, hair, and nail care, noting their roles in wound healing and skin aging while highlighting a favorable safety profile.

In this study, researchers used atomic force microscopy to capture and analyze morphological changes in the surface of healthy hair, identifying features such as pitting and rod-shaped macro-fibrillar elements, which could inform future research on hair conditions and care.

This study demonstrated how cellular flows and tissue mechanics guide the topological transformations in avian skin, essential for feather follicle development from scales.

This narrative review highlights the potential of autologous adipose mesenchymal stem cell-derived exosomes (AMSCs-Exos) in anti-skin aging, noting their superior biocompatibility and manufacturing advantages while stressing the need for standardized production protocols to overcome existing application challenges.

This article reviews the role of stem cells in tissue development, tumor formation, and organoid generation, and highlights the potential of epigenetic regulation in advancing regenerative medicine and cancer treatment, without presenting new experimental results.

This study investigated the Mandarin duck as a model for understanding lifelong developmental changes, finding that male sail feather morphogenesis involves a combination of local morphogenetic programs, epigenetic regulation, and hormonal cues, with increased female estrogen levels observed before the mating season.

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 chapter reviews formulation principles for creating cosmetic nanoemulsions and applications targeting skin and hair care, but does not present new experimental results.

This review highlights that transferosomes, or ultradeformable lipids, show promise for improving dermal delivery, exhibiting efficient drug transport across the skin's barrier and offering potential benefits for treating chronic skin disorders with better bioavailability.

This review highlights the potential of microneedles as a low-cost, well-tolerated method for transdermal drug delivery in dermatology, though further research is needed to establish their clinical efficacy.

This study suggests that while platelet-rich products show promise in treating dermatological conditions like chronic wounds and skin aging, there is still a need for standardized methodologies and extensive trials to confirm their long-term clinical benefits.

This review examines the neuroendocrine mechanisms underlying seasonal changes in mammals and highlights areas needing further research, reporting no new experimental results.

This study observed that in wild snowshoe hares, gene expression patterns during seasonal coat color change show a consistent lag between gene expression and visible coat color changes.

This review discusses the role of stem cell heterogeneity and compartmentalization within the epidermis and highlights their significance as niches for neighboring cells, without reporting new experimental results.

This study reports that dynamic interactions between stem cells and their niche, influenced by macro-environmental factors, regulate regenerative behavior in integument pattern formation.

This study suggests that hair cortisol and cortisone may moderate the relationship between work stress and depressive symptoms in Chinese fishermen, although their mechanisms differ.