Fig. 1

The schematic diagram of Yunnan Baiyao-loaded multifunctional microneedle patches ((BY + EGF)@MNs) for hepatic hemostasis and cutaneous wound repair. a Design of (BY + EGF)@MNs with divisional structures. b The (BY + EGF)@MNs could exert strong pro-coagulant capacity in a rat hepatic hemorrhage wound model. c When applied to cutaneous wounds, the (BY + EGF)@MNs can accelerate the wound healing process by enhancing neovascularization, fibroblast density, and collagen deposition