Salonpas Pain Relieving Patch Convenient, versatile patches that provide effective relief. These comfortable, effective topical pain patches have 3 powerful pain fighters that work at the site of pain. Whether for your back, shoulders, neck or legs, the Salonpas® Pain Relieving Patch can provide hours of relief. With rounded corners and flexible fabric, application is easy and the patches bend with your movements. The patches stay where you need them and are easy to remove. The patches provide 3 powerful non-irritating pain fighters (analgesics): Camphor 3.1% (Topical analgesic), Menthol 6.0% (Topical analgesic), and Methyl salicylate 10.0% (Topical analgesic).