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This literature review highlights recent advancements in hair follicle regeneration techniques, noting the potential of combining stem cell technology, 3D bioprinting, and epigenetic modulation to create precision therapies. However, it emphasizes ongoing challenges such as achieving long-term viability and scalability for clinical application.

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 summarizes recent advances in organoid technology for generating tissue models from the three germ layers and reports no new experimental results.

This review discusses strategies for hair follicle regeneration using tissue engineering and reports no new clinical results; the authors highlight potential future directions for promoting hair neoformation.

This review found that 3D bioprinting significantly advances skin tissue engineering by enabling the creation of complex, patient-specific skin structures, though technological and regulatory challenges persist, particularly in areas like scalability and physiological mimicry.

This paper reviews advancements in 3D human skin models using bioprinting, organoid, and organ-on-a-chip technologies, noting improvements in physiological realism through vascularization and multi-omics data, but also highlighting challenges such as cost and lack of standardization that hinder clinical adoption.

This review discusses the advancements and challenges in skin bioprinting techniques and applications, including hair follicles and pigmentation, while addressing the need for improvements in vascularization, safety, and clinical translation, according to the authors.

In this perspective, recent advances in regenerative medicine, including bioartificial substitutes and engineered in vitro platforms, are reviewed for their potential to restore human hair follicles, highlighting new technologies like 3D printing, hair-on-a-chip models, and stem cell-derived organoids.

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.

This review highlights how organoid technology is transforming precision medicine by summarizing its development and applications in modeling diseases, testing drug efficacy, and tailoring patient-specific treatments, despite current challenges in standardization and ethical considerations.

This review discusses the development of hair-on-a-chip technology for hair follicle research and alopecia treatment, reporting no new clinical results but highlighting future research directions.

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.

The researchers suggest that advancements in bioprinting technology are promising but still face challenges in achieving human-scale, clinically applicable tissue constructs.

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 advancements in bioprinting technologies for developing in vitro skin models that replicate immune-mediated skin diseases, highlighting their potential to reduce animal testing and enhance research and product testing capabilities in dermatology.

This systematic review reports that bioprinting technology holds significant potential for improving patient quality of life by enabling personalized medical treatments, reducing organ transplant rejection risks, and accelerating skin tissue regeneration, although many advancements are still at the research stage.

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 reports on the principles, applications, and future potential of bioprinting technology in fields like tissue engineering and organ regeneration, highlighting recent advancements and identifying ongoing challenges and future directions that require collaborative efforts to fully realize the technology's capabilities.

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 summarizes recent advancements in three-dimensional bioprinting technology and hydrogel bioinks, highlighting their applications in tissue engineering, but reports no new experimental results.

This study systematically examines how smart biomaterials used with DLP technology can enhance bioprinting in tissue engineering and regenerative medicine, while also identifying current challenges and future research needs.

This study conducted a systematic review of 3D bioprinting technology in organ and tissue engineering, highlighting its medical applications and bioethical challenges, particularly regarding embryonic stem cells and Islamic ethical perspectives on organ creation.

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.

This review reports that 3D skin bioprinting has made significant progress towards clinical application, particularly in wound healing and disease modeling, but further work on vascularization and bioink standardization remains crucial.

In this mouse study, researchers reported that a 3D bioprinted hydrogel scaffold containing adipose-derived mesenchymal stem cells and nitric oxide enhanced burn wound healing by promoting neovascularization through the VEGF signaling pathway.

This review discusses recent advancements in hair follicle organoid technology for alopecia treatment but presents no new experimental results, emphasizing the potential for clinical applications and drug screening.

This review found significant progress in 3D bioprinting for surgery, noting advances in creating complex tissue constructs, while highlighting ongoing challenges like vascularization and integration with host tissue, emphasizing the need for further research and regulatory development.

This study presents a bioprinter-based method for creating scalable, automated hair-inductive tissue grafts that showed improved hair shaft sprouting in mice by using suture guides to control orientation.

This study presents a novel, scalable method for preparing highly hair-inductive tissue grafts using a bioprinter, which enhances hair follicle regeneration in mice, although most hair shafts remained beneath the skin.

This review discusses strategies and advances in bioprinting for skin wound healing, concluding that bioprinting could offer promising solutions for skin regeneration despite existing challenges.