a hemostatic biocidal dressing includes pro - coagulant and biocidal agents providing a physical barrier to bleeding as well as chemical action to promote blood coagulation and thereby arrest coverage . at the same time , biocidal properties of the dressing prevent the introduction of infected agents and the establishment of infection within wounded tissue . a silverized textile provides biocidal action while a granulated hemostatic agent disposed within interstitial regions between polymer fibers provides coagulating action .