Aquacel AG+ Extra ~ Ribbon Dressings 2x45cm (5). AQUACEL Ag+ dressings are antimicrobial primary dressings for use in wounds that are infected or at risk of infection. They are  designed to manage the 3 key local barriers to healing - exudate, infection and biofilm.. AQUACEL® Ag+ dressings incorporate proven Hydrofiber™ Technology and Ag+ Technology - a unique ionic silver-containing, antibiofilm formulation.. AQUACEL Ag+ Ribbon dressing is also strengthened with stitchbonding.