No Mess.No Stain! Gets you rolling in no time. Extra Strength Stopain Roll-On delivers fast, temporary relief from arthritis, muscle aches, and joint and back pain. It's formulated with the proven pain-relieving benefits of menthol (8%). It also contains glucosamine and dimethylsulfone (MSM)-2 essential ingredients long known for their ability to help reduce joint pain and arthritis pain. Nothing lasts longer!