High Viscosity Topical Skin Adhesive (TSA) / EXOFIN PremierPro EXOFIN® Topical Skin Adhesive (TSA) is a sterile tissue adhesive utilizing a fast-drying monomeric formulation. The high viscosity product reduces the risk of unintended placement of the adhesive, and the colorant contained in the formulation allows the user to easily see where the adhesive has been applied.