Deep heat spray is a pain-relieving, warming, spray to be used on the skin. It is recommended for the relief of pain in muscles, tendons, joints or bones, lower back and thigh pain, sprains or strains. It can be used before and after exercise. It can be used to generate heat in tired, injured or sore muscles. As it is absorbed, your body’s natural enzymes turn its special blend of ingredients into a powerful painkiller.