VoltaCare Cooling Pain Relief Cream contains a formulation that provides fast and effective relief from muscle, joint, and back pain. You can feel it working on contact, providing an instant cooling sensation. The cream is formulated with 4 Pain-fighting ingredients: Menthol, Capsaicin, Camphor, and Methyl Salicylate. These medicinal ingredients penetrate to relieve back aches, arthritis pain, joint pain, & pain due to sprains, strains sore muscles.