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This study found that using poly(ethylene imine) as a counterion reagent improved the colorability and shampoo fastness of bleached human hair when dyed with an acid dye.

This study demonstrated that urea significantly accelerates the diffusion of poly(ethylene imine) into bleached human hair by increasing the diffusion coefficient twofold.

This research observed that a silver nanoparticle-loaded polydopamine/polyethyleneimine-coated bacterial cellulose dressing effectively inhibited S. aureus infections, reduced inflammation, and promoted wound healing compared with untreated cellulose, demonstrating its potential for treating infected wounds.

This study found that adding urea to a polyethyleneimine solution improved the coloring ability and color fastness of low-temperature hair dyeing with acid dye by enhancing dye penetration into the hair.

In this study, researchers developed a promising transdermal agent using Triton X-100-modified polyethyleneimine that successfully delivered genetic material to hair follicle cells in mice, potentially alleviating hair loss due to androgenetic alopecia by promoting cell proliferation and inhibiting apoptosis.

Keratin-based hydrogels from human hair and wool are promising for wound dressings and are more eco-friendly.

This study introduced a multifunctional DNA hydrogel dressing that may enhance wound healing by promoting tissue regeneration, nerve repair, and immune response in diabetic infectious wounds.

This study introduced hydrogel microneedles loaded with palladium nanoparticles, which utilize the inherent cytotoxicity of polyethyleneimine to enhance the effectiveness of doxorubicin in treating melanoma, achieving a tumor inhibition rate of up to 98% in a murine model.

This review discusses recent advances in surface modification and endothelialization of biomaterials for vascular grafts, highlighting promising methods like gene engineering and targeting ligand immobilization to improve clinical outcomes.

This review highlights that synthetic biodegradable polymers like PVA, PCL, PLA, PLGA, PU, and PEO/PEG can address the limitations of natural polymers in wound healing, offering improved mechanical properties and slower degradation, thereby enhancing their application as wound dressings.

This study reported that a new bioinspired injectable hydrogel, CQCS@gel, showed promise as a multifunctional wound dressing by achieving rapid hemostasis and promoting the healing of infected skin wounds in both in vitro and in vivo tests.

This study found that quaternary ammonium iminofullerenes (IFQA) can alleviate oxidative stress in maize caused by hydrogen peroxide, promoting root growth by enhancing antioxidant cycles and reducing ROS accumulation.

This study explored using keratin extracted from human hair waste to create biodegradable bioplastic films, revealing promising potential for applications in packaging and disposable items due to their uniform surface morphology and ability to degrade with keratinophilic fungi.

This study developed HA-gel-dex hydrogels with enhanced ECM-like properties and functionality, showing promise for 3D bioprinting, tissue repair, and as wound dressings due to improved cell interaction, cytocompatibility, antimicrobial synergy, and wound healing in mice compared to traditional ECM bio-inks.

This article discusses the cutaneous side effects of various chemotherapeutic agents but reports no new clinical results; the authors emphasize the importance of dermatologists recognizing drug-induced skin reactions to better patient care.

This study found that encapsulated Garcinia mangostana Linn extract in a cream base penetrated more deeply and homogeneously into porcine ear skin compared to other formulations.

This study found that the multifunctional FEA-PCEI dressing significantly accelerated wound healing, reduced scar formation, and promoted hair follicle neogenesis while providing antibacterial and anti-inflammatory benefits.

This review discusses the evolution of modern shampoos from basic cleansing agents to products with specific therapeutic uses and emphasizes the importance of dermatologists understanding shampoo mechanisms and appropriate selection for scalp and hair health.

This article reviews the extensive pharmacological applications of various parts of the neem plant, such as anticancer, anti-inflammatory, and antimicrobial effects, and reports no adverse effects except for allergic reactions, concluding neem is broadly beneficial with numerous medicinal and cosmetic uses.

This review classifies engineered nanomaterials by composition and application in biomedicine, highlighting diverse uses like regenerative medicine and potential occupational side effects, but reports no new clinical results.

This review discusses various nanoparticles used to enhance skin permeation and target delivery to skin organelles, but reports no new experimental results.

This review examines the design strategies for creating conductive hydrogels with adjustable properties for various biomedical applications, highlighting their potential for supporting cell growth, wound healing, drug delivery, tissue regeneration, and biosensing.

This review discusses recent advances in hair regeneration therapies, highlighting the potential of nanotechnology and pluripotent stem cells, and reports no new results, emphasizing the need for further research.

This review discusses the design and advances of lipid–polymer hybrid nanoparticles as promising delivery systems for genome editing strategies, highlighting their potential in biomedical applications.

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 found that proretinal nanoparticles, applied topically, are safe and effective for penetration into hair follicles, enhancing retinoid biological activity in the skin while reducing irritation compared to conventional retinal formulations.

This review discusses the role of pharmacological sciences in advancing regenerative medicine technologies but reports no new experimental findings; the authors advocate for increased pharmacologist involvement to drive innovations.

This review discusses the potential of adipose-derived stem cells for treating vitiligo, hair loss, and chronic wound healing, but reports no new clinical results and suggests the need for further investigation.

This review examines microneedle patches for drug delivery, detailing their designs, materials, manufacturing methods, and potential advantages, but reports no new clinical results.

This review explores nano-quercetin formulations to enhance the solubility, stability, and targeted delivery of quercetin, highlighting its potential efficacy in treating cancer, inflammation, metabolic diseases, and tissue regeneration, though challenges in biocompatibility, toxicity, and production remain, per this source.