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This study developed a hydrogel from glycol chitosan and silica nanoparticles, which showed promise in wound healing by supporting microvessel and hair follicle growth in skin defects.

In a study using a rat model, researchers developed injectable hydrogels from antler reserve mesenchyme which enhanced regenerative healing of full-thickness cutaneous wounds by creating a fetal-like niche that increased stem cell presence and modulated gene expression related to wound healing.

This study highlights the versatility and potential of injectable hydrogel nanocomposites in biomedical research, emphasizing their roles in controlled drug delivery, tissue regeneration, and treatment of various conditions, such as cardiac issues, joint diseases, and bone regeneration.

In this study, researchers developed a biomacromolecular hydrogel to deliver plant-derived extracellular vesicles for treating androgenetic alopecia in a mouse model, which significantly improved hair regrowth and follicle density by activating Wnt/β-catenin signaling.

This study found that an injectable hydrogel, SF-g-SDA, outperformed commercial Tegaderm™ in healing wounds, promoting collagen deposition, and enhancing neovascularization in animal models.

In a study on wound healing, researchers described injectable POEGMA‐DA hydrogels as a promising non-toxic alternative to traditional wound closure methods, showing effective tissue adhesion and enhanced regeneration of skin structures in a mouse model without significant inflammation.

This study developed keratin-based hydrogels with improved water solubility and tunable properties, demonstrating excellent cytocompatibility, suggesting potential for biomedical applications.

This study demonstrated that fibrin hydrogels support skin-derived precursors in hair follicle neogenesis in mice, with new hair growth and regeneration of blood vessels and sebaceous glands observed.

The hydrogel dressings speed up healing and reduce scarring.

This study demonstrated that a newly developed polypeptide-protein hydrogel with vascularization and antibacterial properties promoted tissue regeneration and hair follicle formation in infected wound healing.

The hydrogel helps heal wounds without scars by releasing two drugs gradually.

In this study, shear-thinning silk nanofiber hydrogels were found to enhance retention of mesenchymal stem cells and accelerate wound healing in rat models.

This study found that an injectable ceria-based nanocomposite hydrogel improved wound healing and epithelium regeneration, including hair follicle and adipocyte tissue formation, in full-thickness skin wound models.

This study found that an injectable composite hydrogel containing cerium bioactive glass improved wound healing in diabetic rats by promoting angiogenesis and offering antibacterial properties, suggesting its potential for enhancing diabetic foot wound repair.

In this study, an injectable hydrogel incorporating antibacterial agents was shown to effectively heal wounds and promote hair follicle and capillary regeneration, offering a promising approach for skin tissue engineering.

In this study, an injectable alginate hydrogel with Fibronectin3 was developed, demonstrating high biocompatibility and ability to enhance wound healing in mice, suggesting promise for clinical application in treating irregular wounds.

This study found that a hydrogel made from human placenta-derived ECM, copper, and endothelial progenitor cells significantly enhanced pressure ulcer healing in a mouse model by improving wound closure and tissue regeneration.

In this study, MSC-laden silk nanofiber hydrogels accelerated wound healing and enabled scarless skin regeneration with hair follicles, outperforming MSC-free hydrogels in repairing full-thickness skin defects.

This study reported that a new bioinspired injectable hydrogel, CQCS@gel, showed promise as a multifunctional wound dressing by achieving rapid hemostasis and promoting the healing of infected skin wounds in both in vitro and in vivo tests.

This study found that an injectable hydrogel dressing with silver nanoparticles showed promise in healing MRSA-infected wounds by reducing inflammation, supporting tissue regeneration, and maintaining prolonged antibacterial activity, highlighting its potential as an effective treatment strategy.

This research highlights a hydrogel system that could significantly improve diabetic wound healing by releasing ibuprofen to both suppress inflammation and promote tissue regeneration, indicating a strong potential for future clinical use.

This study describes a multifunctional hydrogel system designed to treat androgenetic alopecia by integrating nanozymes for reactive oxygen species clearance and melanin nano photothermal agents to enhance hair follicle health, suggesting potential for multi-target precision therapy and improved hair growth.

In this study, a novel injectable hydrogel with antibacterial and hemostatic properties showed promise in promoting the healing of MRSA-infected skin wounds.

This study synthesized a temperature-sensitive hydrogel with strong antibacterial capabilities against S. aureus and E. coli, demonstrated via in vitro and in vivo tests, suggesting potential for antibiotic-free clinical applications when activated by near-infrared light.

In this study, researchers developed an injectable silk fibroin-based hydrogel that enhances wound healing by protecting against oxidative stress and promoting tissue repair, outperforming commercial wound dressing Tegaderm™ in animal models.

This review discusses the potential of silk fibroin-based injectable hydrogels as next-generation biomaterials for regenerative medicine, exploring their therapeutic advantages, challenges, and future clinical applications.

This study found that keratin hydrogels extracted from human hair showed potential as biodegradable and biocompatible filler materials, promoting angiogenesis and cell proliferation in rat models.

In this study, researchers used a new method with platelet-rich plasma-loaded microcarriers to enhance dermal papilla cell activity and hair follicle regeneration, achieving significant hair and vessel growth in a mouse model compared to control groups.

This study found that an injectable calcium alginate-amelogenin hydrogel is biocompatible, degradable, anti-inflammatory, and promotes osteogenesis, which may enhance the bone healing process in jaw and facial bone defect areas by mediating the bone immune microenvironment.

This study found that a newly developed injectable hydrogel combined with human umbilical cord-mesenchymal stem cells significantly accelerated wound healing and reduced inflammation in full-thickness cutaneous wounds.