Deep Heat Heat Rub is a fast acting, non greasy pain relieving cream. The dual action of pain relief + heat provides targeted, warming relief at the site of pain. Deep Heat Heat Rub contains the asprin -like drug methyl salicylate for effective pain relief and warming ingredients that increase blood flow and provide relief from , back pain, sciatica, fibrositis, sprains, bruises and chillblains .Can be used before orafter exercise.Can be used before or after exercise.