Hydrocolloid Dressing
A hydrocolloid dressing (trade names include Duoderm,Surgical Materials Testing Laboratory Dressings Datacard: Duoderm extra thin Granuflex,Surgical Materials Testing Laboratory Dressings Datacard: Bordered Granuflex Ultec,Covidien Ultec Hydrocolloid Dressings and 3M Tegaderm Hydrocolloid) is an opaque dressing. A hydrocolloid dressing is biodegradeable, non breathable and adheres to the skin so no separate taping is needed.