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This study developed thermo-reversible glycol chitosan hydrogels that effectively form and maintain 3D cell spheroids within one day, offering a simplified method for creating biologically realistic cultures for tissue regeneration and drug screening applications.

This study reviews recent advancements in microneedles made from PLGA, highlighting their use in delivering vaccines, drugs, and proteins through the skin with minimal invasiveness, and discusses the challenges and future potential of these delivery systems.

This review discusses photothermal agent hybrids in hydrogels for antibacterial action, angiogenesis, and osteogenesis in tissue engineering, but reports no new experimental findings.

This article reviews methods to enhance epithelial–mesenchymal interactions for hair follicle bioengineering but does not present new experimental results; it emphasizes optimizing combinations for successful regeneration.

This study developed a method for generating germ-like tissues called bbHFGs, which efficiently promoted hair follicle formation in mice, potentially advancing hair regenerative medicine applications.

This review summarizes the application of microneedles in treating various skin diseases and highlights challenges like low drug loading, noting no new clinical results are reported.

This review explores the role of nanotechnology in wound healing, highlighting its potential through antimicrobial properties, selective inflammatory action, angiogenesis promotion, and its use in drug and gene delivery.

This study found that surface modified nanoparticles showed increased skin permeation and improvement in allergic contact dermatitis, independent of the follicular pathway.

This study found that a 3D Matrigel culture technique for dermal papilla cell spheroids can enhance hair follicle inductivity and induce hair-like fiber differentiation in vitro, even with high-passage cells.

This study demonstrated a method for large-scale preparation of self-sorted hair follicle germs in vitro, which successfully generated hair follicles when transplanted into the skin of nude mice.

In this study, fibronectin coating on a low-adhesive substratum increased cell aggregation, growth, and motility, enhancing the formation of hair follicle dermal papilla spheroids.

This review discusses the role of phytochemical nanoparticles in cervical cancer therapy and reports no new clinical results; the authors highlight their potential advantages over conventional chemotherapy.

This study found that a eupafolin nanoparticle delivery system improved water solubility and skin penetration, enhancing its antioxidant and anti-inflammatory effects against particulate matter-induced stress in skin cells.

This review discusses potential cell sources and bioengineering strategies for regenerating hair follicles with functional cycling, reporting no new results.

This review discusses advancements in the use of microneedle arrays and nanoparticles for transdermal delivery of therapeutics, noting challenges in overcoming the skin barrier and summarizing recent clinical trial achievements in areas like cancer therapy and gene therapy.

This review discusses the development and applications of microneedles, particularly through 3D printing, highlighting their potential in transdermal drug delivery but reporting no new results.

This review discusses the roles that mesenchymal stem cells may play in reepithelialization of wounds, but reports no new clinical results.

This study found that the human placenta extracellular matrix hydrogel restored the hair-inductive capacity of high-passaged dermal papilla cells, enabling them to regenerate new hair follicles when co-grafted with mouse epidermal cells.

This review of stem cell-based tissue engineering treatments in preclinical burn wound models reports promising improvements in skin repair, suggesting potential as an enhanced therapy for burn wounds.

This study reports that using nanogel and layer-by-layer self-assembly to encapsulate single dermal papilla cells can form cell spheroids that regenerate hair follicles successfully in a hair follicle regeneration model.

This review outlines the current state of freeze-dried platelet-rich plasma (FD-PRP) research, emphasizing its use in wound healing, lumbar fusion, knee conditions, and dentistry, but reports no new clinical findings.

This review discusses the current challenges and strategies in hair follicle bioengineering for treating hair loss and reports no new clinical results; it highlights ongoing hurdles and future directions for developing functional hair regeneration therapies.

This review discusses the potential of three-dimensional printed mesoporous scaffolds for drug delivery applications, particularly for bone cells and tissues, but reports no new clinical results.

This study suggests that Thyroxine (T4) may promote key features of human skin wound healing, such as re-epithelialization and angiogenesis, in an ex vivo model.

This review discusses recent advances in hair regeneration therapies, highlighting the potential of nanotechnology and pluripotent stem cells, and reports no new results, emphasizing the need for further research.

This study reported that a novel liposomal formulation, SP-bFGF-SF-LIP, enhanced bFGF stability and skin permeability, significantly improving hair follicle recovery and wound healing in a mouse model.

This study observed that NSPC predominantly differentiated into neurons when exposed to serum fractions with molecules under 100 kDa, particularly with biomaterial and fibronectin, in the presence of basic fibroblast growth factor.

This study investigated the use of Minoxidil encapsulated in HA-PLGA nanoparticles for alopecia treatment and found that these nanoparticles efficiently delivered the drug to hair follicle cells without significant cytotoxicity, offering a potential transdermal delivery method for various diseases.

This review examines the role of cyclodextrins in improving the solubility, stability, and bioavailability of steroid drugs but does not report new experimental findings.

This study demonstrated that a 3D air–liquid culture system using Wnt-CM-treated cells can induce hair regeneration in nude mice and may facilitate large-scale preparation for hair loss treatment.