Muscle pain relief applies the close parenchyma injuries, like sprains,over-exertion, muscle aches OEM and ODM service offered muscle pain relief patch Ingredients: Polymer gel, Methyl salicylate, Essences oil of Peppermint and Rosemary, extracts from Pepper. Direction:This patch is used to alleviate pain from closed soft tissue injure, sprains, contusions, tendon injure, falls, muscle pain, ...