Scientific Criteria Demonstrating Form-Stability and Continuous Wound Coverage of in Situ Built Wound Dressings

Abstract

Background: The classification of wound care products remains complex due to the absence of clear, quantifiable criteria distinguishing in situ form-stable wound dressings from hydrogels, creams, or ointments. In situ form-stable dressings act as physical constructs that maintain their shape upon application , providing structural coverage and supporting wound healing. In contrast, viscous formulations such as hydrogels, creams, and ointments deliver moisture or active substances through a concentration gradient. This study proposes the use of bioengineering and rheological principles to define material-based criteria that differentiate these categories, focusing on vis-coelastic behaviour and solid-like matter content.