Duoderm Extra Thin Hydrocolloid Dressings 10x10cm (10). The advantages of a moist wound-healing environment include improved healing rate, increased epithelialization, reduced infection, enhanced collagen synthesis, and the earlier appearance of more macrophages in the wound bed.. DuoDERM® Dressings were the first to incorporate hydrocolloid technology.. Modern hydrocolloid dressings for the management of light to moderately exuding wounds.. Versatile, easy to use and are suitable for managing different stages of wound healing and multiple wound types in a protocol of care.