Skip the tub and enjoy the soothing benefits of epsom salt in lotion form! Epsom-It's Soothing Muscle Lotion is 30x more concentrated than a traditional Epsom Salt bath soak with a 20% concentration of 100% pure USP Grade Magnesium Sulfate. Fortified with Arnica, this topical Magnesium cream penetrates deep under the skin delivering targeted support to muscle aches, stiffness, discomfort, and leg cramps from intense workouts, manual labor, aging, and more.