Collagen Dressings including Promogran dressings, SkinTemp, Nugel, Fibracol dressing, Collagen dressing, wound gel, Fibracol wound dressing and Prisma collagen dressing. Collagen dressings are used to help moderate to heavy exuding wounds heal. collagen dressings promote healing by keeping the wound moist while absorbing exudate. Versatile and absorbent, Collagen dressings can be cut to fit the wound. Some collagen dressings are available as ropes for packing deep wounds. Our Collagen selections includes Johnson & Johnson's popular Promogran dressing.