Colloidal silver has both antimicrobial and wound healing properties. Following topical application, it binds to the cell wall of the microorganism and disrupts microbial DNA, leading to growth inhibition and cell death. It also dramatically enhances the healing of damaged skin tissues, and promotes effective skin repair and re-growth, contributing to its wound healing properties.Apply this medicine as directed by your physician. It is for external use only. Wash the affected area before application and pat dry. Apply a thin layer of this medicine to the affected area. Cover with an appropriate secondary dressing such as gauze or cotton dressing. Wash your hands after application.Continue to apply this medicine, as long as your doctor tells you to do so, to obtain better results.