Displaying 4 results of Escin Impurities Escin is a natural compound found in horse chestnuts that has various therapeutic applications, including as an anti-inflammatory agent and a treatment for venous insufficiency. Escin impurities refer to any additional compounds or substances present in a sample of escin that are not the desired active ingredient. The presence of impurities can affect the purity and efficacy of escin, and thus must be carefully monitored and controlled in production processes.