DuoDERM Signal® is a hydrocolloid translucent dressing designed to provide a visual indicator to the caregiver for the next dressing change, The adhesive hydrocolloid matrix and the outer film on DuoDERM Signal® dressing is permeable by moisture vapor and provides an occlusive barrier against bacteria, viruses, dirt and water, DuoDERM Signal® Dressing is indicated for the management of lightly to moderately exuding wounds