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This study found that 3D-printed polyamine-modified hydrogels facilitate M2 macrophage polarization and exosome secretion, enhancing skin cell compatibility and promoting wound healing and hair follicle induction in an animal model through specific signaling pathways, suggesting potential for skin disorder therapies.

This review discusses how advancements in biomaterial engineering and 3D bioprinting are transforming skin wound-healing therapies, highlighting innovations in bioinks and the evolving global market potential of these technologies for developing next-generation skin substitutes.

Corrections were made to a previous work on 3D printing a gel-alginate mix for creating hair follicles, but the main finding - that this method can help grow hair - remains the same.

This study developed 3D micropatterns with magnesium silicate nanospheres that mimic vessels and hair follicles for potential use in skin regeneration by reconstructing vasculature and promoting hair growth.

Researchers demonstrated that a new vaccine platform using antigen-loaded hydrogels enhanced humoral immune responses in mice, producing stronger antigen-specific antibody levels compared to the conventional adjuvant Alum, and offering promising protective capabilities against influenza virus.

This study reported that an injectable hydrogel microparticle vaccine platform enhanced antibody responses and protection against influenza in mice, outperforming the traditional adjuvant aluminum hydroxide.

This literature review discusses the challenges and potential strategies for creating fully functional hair follicles capable of active cycling, emphasizing the molecular mechanisms, signaling pathways, and innovative regenerative techniques, such as hair micropatterning and three-dimensional printing, crucial for optimizing hair follicle regeneration.

This review discusses the potential of 3D bioprinting technologies for tissue regeneration, drug evaluation, and drug delivery systems, but reports no new findings.

This review discusses advances and challenges in skin tissue engineering, focusing on developing 3D constructs for functional skin substitutes, and reports no new clinical results.

This review discusses the potential of bioprinting technology in cosmetology, particularly for improving skin functions like pigmentation restoration and hair follicle development, but reports no new clinical findings.

This review explores how combining extracellular vesicles with hydrogels and utilizing 3D bioprinting technologies creates innovative composite systems for wound healing, offering advanced mechanical and biological support, while addressing challenges like degradation and regulatory issues in clinical applications.

This review discusses how combining single-cell RNA sequencing and 3D bioprinting is advancing skin tissue engineering by enhancing cellular-level precision and addressing challenges like vascularization, ultimately improving regenerative outcomes and therapeutic strategies.

This study reviews advancements in 3D bioprinting for dermatology, highlighting the creation of next-generation dermal fillers that are more compatible and longer-lasting than traditional ones by using living cells and safe biomaterials, with potential applications in anti-aging and tissue regeneration.

This source reviews the potential of 3D printing, biomaterials, and smart sensors in tissue engineering, noting their application in creating artificial membranes for skin and tissue regeneration and assessing their strengths and limitations for wound dressing development and disease modeling.

This review discusses various tissue engineering approaches for hair follicle regeneration and biomaterials used, emphasizing its potential despite current clinical challenges.

This review explores the potential of multifunctional bioscaffolds in skin tissue engineering, highlighting their successful biological performance in vitro and in vivo animal models, while also identifying the demand for technological advancements to improve wound healing applications in clinical settings.

This research highlights the potential of personalized medicine and advanced therapeutic strategies, including 3D biomaterials and natural products, to enhance wound healing and skin care, while also acknowledging the limitations and safety concerns associated with these innovations.

This review discusses the integration of nanoparticles with microneedles to improve drug delivery through enhanced stability, bioavailability, and controlled release, noting ongoing challenges with stability, scalability, and safety.

This review highlights the importance of using 3D scaffolds in vitro to support hair follicle regeneration, emphasizing how these structures help maintain cell function and mimic the natural environment, which is crucial for developing hair follicle organoids for transplantation.

This review discusses the characteristics, biomaterials, and tissue engineering methods for adipose-derived stem cells in a 3D environment, highlighting their potential in regenerative medicine without presenting new clinical results.

This review provides an overview of recent tissue engineering and regenerative medicine developments in Asia, highlighting significant advances, representative research achievements, and discussing future directions, without presenting new research results.

This article reviews current strategies and advancements in regenerating skin appendages and sensory nerves in tissue-engineered skin, highlighting the challenge of restoring skin sensations like pain, temperature, and touch to improve patients’ quality of life.

This review discusses recent advancements in the study and application of epidermal stem cells for wound healing and tissue engineering, without presenting new experimental findings.

This article discusses a wide range of procedures in facial plastic surgery and highlights the recent advancements and trends without reporting new clinical findings.

This review discusses recent advances in developmental tissue engineering for regenerating ectodermal appendages like teeth and glands, emphasizing biomaterial selection and cell culture strategies, but reports no new experimental results.

This review highlights the complexities of hair graying and the limitations of current models to fully replicate hair follicle pigmentary unit function, suggesting that technologies like organoids and bioprinting show promise but require further development for effective hair repigmentation interventions.

This review summarizes advancements in biomedical engineering for hair follicle regeneration, highlighting strategies like cell transplantation and tissue engineering to reconstruct hair follicles, and discusses both their technical limitations and potential future innovations in regenerative medicine.

New methods using biomaterials, stem cells, and nanoparticles show promise for improving hair growth and treating hair loss.

This study successfully developed 3D hair follicle organoids from neonatal mouse epidermal and dermal cells, showing structural and molecular resemblance to native anagen hair follicles.

This study demonstrated that hyaluronan gel is a promising biomaterial for 3-D in vitro culture of mouse ovarian follicles, supporting the production of fertilizable metaphase II oocytes.