Collagen Hydrogel For Wound Dressing Collagen Hydrogel For Wound Dressing Promotes autolytic debridement by rehydrating and softening dry wounds and necrotic tissue. Hydrogels provide a moist environment facilitating optimal wound healing. Features: Clear amorphous gel which allows easy wound visualization. Mild preservative provides a two year shelf life. Contains ingredients beneficial to the skin and the wound healing process. Collagen is the main component of skin and connective tissue and is known to play an important role in all phases of wound healing. Allantoin is a skin protectant that stimulates tissue growth. Panthenol maintains an optimal moisture balance. pH-balanced to the wound bed. Unlike many other hydrogels contains no propylene glycol a preservative that has been shown to inhibit skin cell growth and damage cell membranes. Size: 3 oz (85 g) Tube.