Abstract
AbstractAbnormal healing following skin injury, such as slow healing and scar formation, can significantly affect an individual's life. Complex treatment methods and cumbersome instruments have reduced the efficacy of treating such diseases. In this study, a novel biocompatible liquid metal (LM) composite wound dressing (LGPU) is designed by synthesizing polyurea polyurethane (PU) and blending it with LM modified with glutathione (GSH), a bioactive three‐peptide compound. The effects of external electrical stimulation (ES) on wound‐induced hair follicle neogenesis are explored. The dressings exhibited a few important properties, including conductivity, high stretchability, recyclability, and, most importantly, excellent self‐healing capacity, owing to the liquid nature of the LM fillers and the highly dynamic characteristics of hydrogen bonds. Furthermore, the combination therapy with LGPU and ES promoted fibroblast migration and accelerated wound healing. The wounds treated with the combination therapy fully healed in nine days, while the wounds in the blank group are still in a scabbing state. Remarkably, this treatment method can activate the regeneration and healthy growth of hair follicles at the site of injury, which is beneficial for reducing wound scarring. Collectively, this innovative therapy provides a facile strategy to accelerate skin wound healing and achieve scar‐free repair.
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