What is an
best MSM cream? MSM stands for Methylsuflonylmethane, and it is known to treat pain caused by arthritis. However, surprisingly there's one more use of MSM and that is as a topical cream for pain in joints and muscles when combined with with eucalyptus and camphor plus other natural ingredients. People with foot pain, carpal tunnel pain, sore back and shoulders, toes and knee pain and other pains can use this ointment combination to sooth the ache.