Salonpas, Lidocaine 4% Pain Relieving Gel Patch, 15 Count / 1 BoxProduct Description Salonpas Lidocaine 4% Pain Relieving Gel Patch provides effective relief from temporary pain associated with muscle strains, backaches, and joint pain. The innovative gel patch formulation delivers targeted pain relief where it's needed most without the use of oral medications. Designed for easy application, these patches adhere comfortably to the skin and can be used on various areas of the body. The lidocaine ingredient works by