Rub-A535 Muscle & Joint Pain Relieving Heat Cream quickly relieves stiff and sore muscles and joint pain on contact. Simply rub the heat cream onto skin for a deep-penetrating, warming sensation that soothes aches and pains. This topical analgesic is fast and effective, so you can spend less time in pain and more time enjoying life. In fact, our formula is the #1 Pharmacist Recommended heat analgesic rub