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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.

This study examined developing hair cortex with electron microscopy and found that keratin fibrils form between specific regions in hair follicles and aggregate into twisted cables.

This review examines emerging biomaterial strategies designed to support both neural regeneration and cutaneous wound healing, emphasizing their potential to improve sensory function through mechanisms like axonal regrowth and vascular network formation, while noting the need for standardized assessments and clinically translatable designs.

This review highlights recent advancements in the engineering of skin organoids using hydrogels, which improve their structural and functional fidelity by supporting the architecture and integration of vascular and neural components, promising to enhance regenerative medicine, drug discovery, and complex skin disorder studies.

This study found that the natural polymer-based hydrogel Gel/SA@PL released growth factors in a controlled way, which enhanced tissue regeneration and minimized scarring in the healing of diabetic wounds.

In this study, researchers developed a new sodium alginate/chitosan/Zn2+ hydrogel that showed improved physical properties, antibacterial activity, and biocompatibility, and demonstrated enhanced wound healing and skin regeneration in an in vitro model.

This study demonstrated that cryogelation of human hair keratin allows the development of 3D scaffolds with tunable properties, supporting cell adhesion and proliferation for potential biomedical applications.

This study identified key genes involved in hair follicle development in Merino sheep, offering insights for improving wool production and providing a basis for future breeding programs.

This study found that a newly constructed composite hydrogel dressing, made from silk fibroin, chitosan, and halloysite, promoted hair follicle neogenesis, angiogenesis tissue regeneration, and scar reduction.

In this study, researchers demonstrated that human hair keratins can self-assemble into stable nanofibrous networks in vitro, which are compatible with human skin cells and useful for regenerative applications.

This chapter reviews common cosmetic dermatology techniques but presents no new findings; it discusses treatments like emollients and laser therapy for conditions like photoaged skin and acne scarring.

In this study, researchers developed a multifunctional hydrogel for wound healing, incorporating antibacterial and antioxidant properties that demonstrated significant inflammation reduction and tissue regeneration in animal models, with high antibacterial efficacy against E. coli and S. aureus.

This paper reviews the benefits of using silk proteins as natural ingredients in cosmetics, highlighting their potential for improving skin and hair health due to properties like antimicrobial activity, UV resistance, and enhanced moisture absorption.

This study constructed a comprehensive atlas of prenatal human skin, revealing that innate immune cells, such as macrophages, play a crucial role in skin morphogenesis by interacting with non-immune cells, influencing hair follicle formation and angiogenesis beyond their traditional immune functions.

This review discusses the historical development of platelet-rich fibrin from fibrin glue to platelet-enriched formulations and reports no new clinical results.

This review assesses the benefits and limitations of various supramolecular hydrogels, including polymeric and peptide-based types, for wound healing, but reports no new clinical results.

This research highlights the potential of using bioactive silk-based nanofiber dressings to improve the healing of diabetic wounds, suggesting that further studies are needed to refine these formulations and confirm their effectiveness in larger clinical trials.

This review highlights silk fibroin and its nanocomposites as promising materials for wound healing, addressing challenges in chronic wound treatment, especially in developing countries, and examines the obstacles in bringing silk-based products to market.

This chapter discusses the composition, biocompatibility, and production methods of biomaterials like collagen, chitin, and silk for dermal substitutes, focusing on preclinical and clinical research, but reports no new clinical results.

New techniques and technologies are improving facial plastic and reconstructive surgery.

Animal experiments in this study demonstrated that a new sandwich-like fiber/sponge dressing design, which enhances wound healing through improved moisture management and faster exudate evaporation, resulted in more significant wound size reduction compared to commercial and control dressings.

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 suggests that specific combinations of human type I and II hair keratins, particularly K35-K85 and K36-K81, have distinct in vitro assembly properties that are significant for macrofibril formation.

In this study, researchers developed a silk fibroin-based hydrogel with added curcumin and pluronic F127, which displayed antibacterial properties against Methicillin-resistant Staphylococcus aureus and showed potential for skin tissue regeneration, without cytotoxicity.

This study reports that Echinacea-loaded silk fibroin/chitosan dressings may effectively promote scarless skin regeneration and accelerate wound healing compared to conventional treatments.

In this study, a silk fibroin hydrogel containing recombinant NT3 was found to promote scar-less wound healing in a mouse skin injury model by enhancing type III collagen expression and inducing hair follicle formation.

This study found that injectable platelet-rich fibrin (i-PRF) showed improved hair growth in males with Type VI and Type VII alopecia, which are typically difficult to treat.

In this study, platelet-rich fibrin matrix combined with follicular unit transplantation increased hair follicle numbers in men with androgenetic alopecia on the treated side of the scalp after six months.

This study investigated different centrifugation systems and found that low-speed protocols and certified centrifuges produced better-quality platelet-rich fibrin and recommended using FDA-approved glass tubes for safe and effective regenerative outcomes.

This study found that injectable platelet-rich fibrin (i-PRF) enhances hair follicle regeneration in vitro by promoting human dermal papilla cell proliferation, migration, and trichogenic inductivity, with varying effects depending on concentration.