NovaLife TRE is designed to help keep skin naturally healthy. One barrier. Three levels of protection:Adhesion – TRE is designed to provide a secure and flexible seal to help protect the skin from stoma output and to be easy to remove. Absorption – TRE is designed to help absorb excess moisture without losing internal or external strength. pH balance – Should digestive enzymes get on the skin, pH buffering helps create an undesirable environment for digestive enzymes, helping decrease their skin damaging effects