DMSO Gel helps improve pain and inflammation caused by arthritis in horses. DMSO Gel is also sometimes used to treat cerebral edema, and helps other medications penetrate the skin barrier more easily. DMSO is a rapidly absorbed skin penetrant. With the ability to carry other substances through membranes it acts as an anti-inflammatory agent. DMSO is also a cryoprotective agent that helps protect frozen tissue. Additionally, DMSO is a potent antioxidant, scavenging the highly reactive molecules that contribute to disease and aging, known as free radicals.