Skip the tub and enjoy the soothing benefits of Epsom Salt in lotion form! Epsom-It Soothing Nerve Lotion Rollerball is 50x more potent than a traditional Epsom Salt bath soak with a 25% concentration of 100% pure USP Grade Magnesium Sulfate. Fortified with Arnica, Capsaicin, and Aloe Vera, this topical Magnesium Sulfate (Epsom Salt) cream penetrates deep below the skin to support nerve discomfort, muscle aches, leg cramps, and back and foot discomfort. Easy-to-use with its convenient rollerball applicator.