Sodium hyaluronate (SH) is recognized as the strongest natural humectant, since it contains a large number of hydroxyl and carboxyl groups in its structure, can absorb 1000 times own weight water. The porcine acellular dermal matrix (pADM) has been widely used biological materials for activities, such promoting cell proliferation wound healing. Enhancing hydrophilic moisturizing properties pADM...