Misc: Extended relief formula. 2 max strength pain relievers. Advanced relief for tough pain. Relief in minutes that lasts for hours! Arthritis; body aches; knee pain; joint pain; back pain; sore muscles. Powerful lasting pain relief. www.icyhot.com. Begins to work on contact to bring powerful, lasting relief. Goes on icy to dull the pain. Activates to hot for a penetrating warmth to relax the pain away. Patent pending formula.