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This review discusses the potential of adipose-derived stem cell extracellular vesicles (ADSC-EVs) in skin regeneration, highlighting mechanisms like inflammation and angiogenesis, but reports no new clinical results; challenges and future prospects are also considered.

This review summarizes recent therapeutic advancements in treating various forms of alopecia, including new applications of oral minoxidil, dutasteride, finasteride, Janus kinase inhibitors, and novel hair transplant techniques, without presenting original research results.

This study found that small extracellular vesicles derived from human adipose tissue could promote soft tissue regeneration and increase M2 macrophage polarization, suggesting a promising cell-free approach to tissue repair.

This review found that while MSC and EV-based therapies could potentially improve skin and hair rejuvenation, their clinical efficacy is limited by inconsistent study designs and a lack of standardization.

This study explores the potential roles of exosomes in anti-aging applications, highlighting their ability to modulate inflammation, promote tissue regeneration, and transfer bioactive molecules to rejuvenate aging tissues and reverse cellular dysfunction.

This review highlights the diverse roles of melanocytes in pigmentation, immunity, and hearing among other functions, their involvement in disorders, and their emerging potential in regenerative medicine, including applications in disease modeling and therapy development using advanced technologies.

This review explores the complex interactions between hair follicle stem cells and surrounding structures that are essential for understanding hair regeneration, reporting no new experimental results.

This review discusses the potential of mesenchymal stem/stromal cells and their exosomes in promoting wound healing and skin regeneration, but reports no new experimental results.

This study found that combining ultrasound with a GelMA hydrogel able to deliver mesenchymal stem cell-derived vesicles significantly improved wound healing in a mouse model by enhancing fibroblast activity, promoting re-epithelialization, and facilitating hair follicle regeneration, highlighting a novel approach to skin regeneration therapy.

This study found that PHBV cocultured with epithelial and dermal cells might enhance early-stage wound healing by promoting wound closure and re-epithelization more effectively than PHBV/collagen.

This review examines the challenges of hair follicle regeneration and outlines strategies for bioengineering human hair follicle models, without presenting new experimental results.

This essay discusses the establishment, maintenance, and role of skin stem cells in tissue homeostasis, wound repair, and their relation to skin cancer, without reporting new experimental findings.

This review discusses current concepts in wound repair and suggests that these evolving paradigms might also explain regenerative processes in various organ systems, but it reports no new research findings.

This review discusses the migration and colonization of melanocytes from the neural crest in mammals and reports no new experimental results.

This review discusses human hair follicle development and highlights the potential of creating human in vitro models and skin substitutes with hair follicles, reporting no new clinical results.

This study found that deleting podoplanin in mouse keratinocytes promoted hair follicle growth during regeneration, suggesting it may regulate hair cycling pathways that could aid in treating hair loss conditions.

In this study, researchers showed that multiphoton microscopy with fluorescent protein tagging enables single-cell imaging and tracking in live transgenic mice, offering new insights into cell dynamics in stem cell research compared to traditional histological methods.

Hamilton scale imprecise, hair shaft diameter decreases, stem cell transplant regrows hair, ECP ineffective for alopecia areata universalis.

This review explores the potential of neuro-driven hydrogels for skin and nerve regeneration, integrating biochemical cues and advanced technologies like AI for personalized wound healing, but notes the need for further validation and trials before clinical use.

Skin aging reflects overall body aging and can indicate internal health conditions.

This review discusses recent advancements in understanding how the extracellular matrix regulates epidermal stem cell fate and highlights the significance of ECM in stem cell maintenance and differentiation, with implications for regenerative medicine.

This study reported that in degenerative alopecia, Zn²⁺/Cu²⁺-dependent proteases are downregulated and destabilized, and a specially developed microneedle patch reactivated these enzymes, reduced senescence, and enhanced hair regeneration in an animal model.

CD8+ T cells attack hair follicle stem cells, causing scarring and hair loss in Discoid Lupus.

This study found that skin bacteria promote regeneration in wound-induced hair follicle neogenesis, suggesting a role for IL-1β signaling and challenging the belief that infection inhibits healing.

New materials and methods could improve skin healing and reduce scarring.

This review discusses advances in using tissue engineering to improve the inductivity of dermal papilla cells for hair follicle restoration and reports no new clinical results.

This review examines recent advancements in electrospun nanofibers for wound healing applications, but reports no new experimental results, highlighting their potential in sutures, dressings, and skin regeneration.

This study found that mesenchymal progenitor cells from human hair roots seeded onto polymer scaffolds stimulated the production of mineralized proteins, enhancing bone-like structures, with optimal results at a pore size of 35 µm.

This chapter reviews therapies for skin and corneal regeneration and hair loss, discussing various treatments but presenting no new research findings.

This study identified a group of dermal fibroblasts near hair follicle stem cells in mice that facilitate hair regeneration by creating a biomechanically compliant extracellular matrix, enhancing stem cell activation and promoting a positive feedback loop for tissue regeneration.