DMSO is generally used as a solvent. It can be used as a topical application to reduce acute swelling due to trauma. It is a natural product from trees that relieves muscle and joint pain, treats bladder inflammation and protects healthy cells from cancer and chemotherapy drugs. 

Dimethyl sulfoxide (DMSO) is an organosulfur compound with the formula (CH3)2SO. It can uniquely provide solubility to certain very polar small molecules, such as simple biomolecules with multiple protic functional groups.

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/