DMSO is a potent antioxidant, scavenging the highly reactive molecules that contribute to disease and aging, known as free radicals. It  is used as a topical analgesic to block pain signals. 

DMSO Gel assists temporarily reduce pain of large joints such as post traumatic soft tissue injuries, acute bursitis, strains and sprains. https://dmso.com.au/

DMSO has the unusual ability to depress the freezing point of water dramatically, while maintaining viability with many cell and tissue types. It is a sulfur-containing organic compound that is derived from MSM, and can be used internally or externally.