The foam layer is designed to provide both thermal and mechanical protection A honeycomb matrix of hydrocolloid particles absorbs exudate to form a soft, moist gel An outer film provides a waterproof barrier over the dressing The dressings keep nerve endings moist, which helps to provide relief from discomfort DuoDERM® Dressings can be worn continuously for up to seven days unless they are uncomfortable, there is leakage or there are clinical signs of infection