Salonpas Pain Relieving Patch provides effective relief from muscle and joint pain. FEATURES: ‣ Contains menthol and methyl salicylate for fast-acting pain relief. ‣ Easy to apply and stays in place for hours. ‣ Provides targeted pain relief for up to 8 hours. ‣ Suitable for back, shoulders, neck, and legs. ‣ Non-greasy and comfortable to wear.