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This review discusses the potential of cathelicidins in treating skin conditions but highlights significant challenges, including unclear clinical efficacy, safety concerns, and bacterial resistance, that must be addressed for successful medical application.

This review highlights the potential of microneedles and nanomedicine in advancing tissue regeneration, emphasizing their innovative, localized, and minimally invasive approaches as promising solutions to current challenges in treating chronic wounds and degenerative diseases.

This review highlights the potential of microneedle technology in traditional Chinese medicine as a promising transdermal delivery system for skin diseases, showcasing improved efficacy and reduced side effects of TCM ingredients while discussing the challenges of its clinical application.

In this study, chitosan hydrogels and delivery systems showed promise in supporting skin recovery post-laser procedures, enhancing topical treatments for acne and melasma, and improving hair density in scalp applications, but limited study sizes and formulation variability restrict generalizability.

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 discusses the principles, materials, and applications of melt electrowriting-based 4D printing for creating biomimetic scaffolds, but reports no new clinical results; it highlights recent advancements and remaining challenges in the field.

This review reports that chitosan, a versatile polysaccharide, shows potential for various therapeutic applications due to its chemical modifications, notably in treating non-communicable diseases and wound healing, though further clinical study is needed to confirm these benefits.

This review examines the mechanisms, recent findings, and strategies to enhance mesenchymal stem cells' therapeutic effects in skin wound healing, but reports no new research results.

This review highlights the promising potential of 3D printing for creating microneedles with precise customization and improved performance compared to traditional micromolding, emphasizing applications in personalized medical devices and advancements in biomedical fields.

This review discusses the mechanisms involved in wound healing and explores the potential of nanomaterials as a promising approach to managing chronic wounds, but reports no new clinical findings.

This review discusses various microneedle technologies for long-acting drug delivery, highlighting design considerations and challenges in bringing these minimally invasive devices to market, but it reports no new clinical results.

In this review, researchers reported that incorporating nanoparticles into natural-based biomaterials enhanced scaffolding properties, cellular interactions, and outcomes in wound healing, with promising implications for tissue engineering and regenerative medicine, although many signaling pathways involved are still not fully understood.

This review discusses current strategies and materials in tissue engineering for skin regeneration, emphasizing design approaches and suggesting directions for future research; it reports no new clinical findings.

Zebrafish skin regeneration relies on cell behaviors and reactive oxygen species, with antioxidants reducing and hydrogen peroxide increasing regeneration.

This study found that untargeted hair metabolomics analysis detected significantly altered endogenous biomolecules, potentially serving as biomarkers for identifying oxidative cosmetic hair treatments like bleaching.

This study explored the potential of human hair keratin as a filtration material, finding that it may effectively absorb the pollutants diclofenac and perfluorobutanesulfonate. The researchers reported significant binding affinities through molecular simulations, supporting further investigation into keratin's use for water purification.

This review discusses the development of the MATH+ treatment protocol for COVID-19 patients, detailing its scientific and clinical rationale, but reports no new experimental findings.

This study found that regio-specific hydroxylation of cyclosporine A in Sebekia benihana is mediated by the cytochrome P450 hydroxylase CYP-sb21, suggesting potential biotechnological applications for hair growth promotion without immunosuppressive effects.

In this review, the authors discuss recent advancements in underwater adhesion technologies, specifically highlighting mussel-inspired catechol-based adhesives, which offer strong underwater bonding through various interfacial interactions and the influence of dopamine-modified polymeric tissue adhesives.

This study reported that 4D-printed, aliphatic polycarbonate-based scaffolds supported adipose tissue engineering by allowing adipocyte infiltration and neovascularization in vivo, indicating potential for effective adipose tissue repair.

This study discusses the potential of thermoresponsive nanogels for improving dermal delivery of therapeutics, highlighting their ability to enhance skin penetration and control drug release with minimal damage to the skin's natural barrier.

This study discusses advancements in nanotechnology and theranostic dressings, which may significantly improve chronic wound care by effectively targeting biofilms and enabling real-time monitoring, although obstacles to broad applicability and sustainability remain.

This review explores recent insights into the diverse cell populations involved in skin development, homeostasis, wound healing, and cancer progression but reports no new results.

This review discusses the use of natural products in cosmetic preparations for skin and hair care, but reports no new research results.

This source reviews the application of various natural substances, particularly plant extracts from the Ayurvedic system, in promoting hair growth, addressing common issues like pigmentation, dandruff, and hair loss.

Hair straightening methods have advanced to improve effectiveness and reduce damage, but still rely on heat and chemicals.

This article highlights the versatility and potential of alginate and its derivatives in tissue engineering applications, discussing their properties, modification techniques, and various uses in enhancing tissue healing, bone regeneration, and cell growth.

This study reviews the evolution and modifications of microneedle drug delivery systems, initially designed for percutaneous use, now expanded for targeting a variety of tissues and organs such as ocular, oral mucosal, and gastrointestinal, suggesting widespread future applicability.

This article reviews how biomaterials and stem cells could advance regenerative medicine but does not report new results, emphasizing the potential of combining novel biomaterials with stem cells for effective therapies.

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.