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This study observed that hyaluronan's transformation into HA·3Ca and its hydrate increases drug absorption by changing its molecular characteristics, influenced by zwitterionic character and acidic pH.

This study found that D-peptide crosslinked MAP hydrogels accelerate skin regeneration and promote adaptive immunity, despite faster scaffold degradation in vivo.

PMS nanoparticles improve damaged hair by protecting and restoring its surface and color.

This study suggests that the mechanical robustness of hair may be enhanced by the binding interactions of keratin-associated proteins, particularly KAP8.1, with intermediate filament proteins.

This study observed that bone marrow mesenchymal stem cells cultured in three-dimensionally bioprinted hydrogels with higher stiffness, like 3A8G, tend to differentiate more into hair follicle cells compared to those in less stiff hydrogels, like 1A4G.

This study found that hair implantation using a biocompatible polyamide fiber resulted in very satisfactory improvements with a low rate of adverse events among 196 patients.

This study found that polycaprolactone (PCL) in facial fillers led to more cell proliferation and vascular activity than hyaluronic acid (HA) in Wistar rats, suggesting enhanced tissue regeneration effects with PCL.

This review article highlighted the diverse applications of functionalized materials from bacterial cellulose, detailing advances in both in situ and ex situ methods for enhancing these materials' properties, particularly for medical applications, and proposed directions for future research.

This review discusses the hierarchical structure and chemical properties of hair fibers and offers insights for chemists and biochemists, but reports no new experimental findings.

Molecular dynamics simulations help understand keratin's properties and predict hair's response to treatments.

This issue information abstract introduces a collection of articles, including one on hair keratins' unique filament formation, without reporting new experimental findings itself.

This study introduced a rapid rehydration approach for creating customizable, multifunctional hydrogel sensors, enabling precise detection of surface deformations and easy integration of layers, highlighting its potential for standardized and adaptable manufacturing of wearable devices.

This study found that collagen sponges with polyglycolic acid fibers support proper skin and hair follicle restructuring, suggesting potential usefulness for hair reconstitution research and clinical applications.

PLGA-based microneedles show promise for painless, long-term drug delivery but need design and safety improvements.

This study introduced a pH-responsive polymeric wound dressing that enhances healing in chronic wounds by changing shape and drug delivery based on wound pH, achieving a 94.88% healing rate in diabetic mice by day 14.

This review discusses the current state and potential future of polymer-based microneedles for transdermal drug delivery, without reporting new empirical results; it highlights their applications and existing challenges.

This study suggests that varying intersheet interactions may explain the differences between the two polymorphic forms of macrofibril assembly in Merino wool and hair.

In this study, a new pH-responsive hydrogel composed of polyvinyl alcohol and boric acid was found to release salvianolic acid B effectively, reducing excessive scar formation and enhancing tissue regeneration during early-stage wound healing.

This study discusses the potential of microbial exopolysaccharides as safer cosmetic ingredients compared to synthetic chemicals like parabens and BHA, which may cause skin damage and cancer; exopolysaccharides offer benefits like antimicrobial and antioxidative effects without harmful impacts.

This study developed a multifunctional, sprayable hydrogel with temperature responsiveness, showing strong antimicrobial properties against E. coli and S. aureus, antioxidant activity, and cytocompatibility, indicating potential for wound healing applications.

In this study, tubular 3D bioprinted structures made from sodium alginate and gelatin, containing NIH/3T3 fibroblast cells, demonstrated the ability for cell growth and network formation over 6 weeks, although structural tensile strength decreased with cell growth and polymer degradation.

This study demonstrated that a keratin gel promotes nerve regeneration across critical defects in rabbit models, showing improved nerve conduction and muscle action potential compared to control treatments.

In this study, keratin hydrogels derived from human hair were found to significantly enhance nerve regeneration in a mouse model, acting effectively as scaffolds by influencing Schwann cell behavior.

This study systematically reviews the development and applications of drug-loaded nanofiber scaffolds in wound healing, highlighting challenges such as maintaining drug activity and achieving controlled release, while summarizing preparation methods and describing advanced drug delivery schemes.

This review highlights that injectable biostimulatory agents like poly-L-lactic acid, polycaprolactone, and calcium hydroxyapatite are effective in regenerative aesthetics by enhancing collagen production, stimulating adipogenesis, and improving dermal quality, although further research is needed to standardize protocols and confirm long-term safety and efficacy.

This study demonstrated that a newly developed polypeptide-protein hydrogel with vascularization and antibacterial properties promoted tissue regeneration and hair follicle formation in infected wound healing.

This review discusses recent advancements in formulating electrospun nanofibers as wound dressings, emphasizing their advantages in incorporating bioagents for improved healing, but reports no new clinical results.

This study explored the development of GelMet, an electrospun hybrid nanofiber scaffold made from gelatin and PEG methacrylate, which demonstrated strong mechanical properties and effectively supported cell growth in vitro, suggesting its potential for skin tissue engineering applications.