The TNS (Tissue Nutrient Solution) Recovery Complex System with NouriCel-MD, a research based cosmetic ingredient only found in TNS, is comprised of natural growth factors, antioxidants, matrix proteins, and soluble collagens, to help restore what time takes away.NouriCel-MD, a research based cosmetic ingredient only found in TNS, was originally discovered through wound healing research, NouriCel-MD is a proprietary mix of multiple human growth factors, soluble collagen, matrix proteins, antioxidants and other elements essential for healthy young skin. NouriCel-MD visibly improves skin discoloration and the appearance of wrinkles, and it increases skin firmness and resiliency. With regular use of these physician recommended SkinMedica products, you"ll see visible, dramatic results.