Deep Heat Rub is a topical pain-relieving cream used to ease muscular aches, joint pain, back pain, sprains, strains, and stiffness. It contains warming ingredients such as methyl salicylate, menthol, eucalyptus oil, and turpentine oil, which help increase blood flow and provide soothing relief to sore muscles and joints. The rub is commonly used before or after exercise to relax tense muscles and improve comfort.