DuoDERM Hydroactive Gel Sterile - DuoDERM Hydroactive Sterile Gel is a clear, preservative-free, viscous hydrogel that incorporates a unique ConvaTec hydrocolloid formulation that distinguishes it from other hydrocolloid dressings. It is indicated for the management of partial and full-thickness wounds, ideally as a filler for dry cavity wounds to provide a moist healing environment.