- These skin-energizing salt crystals contain only one ingredient: powerful, mineral-rich, 100% Dead Sea salts. They help to ease muscle tension, stimulate skin hydration and soften the skin. Recreate the relaxing bath that visitors of the Dead Sea have enjoyed for centuries. Naturally invigorating Dead Sea mineral salts relax tired muscles and rejuvenate the skin to smooth away roughness and enhance softness. Dissolve 1 cup of salt in warm bath water. Soak for 20 minutes and shower off. Rest for half an hour. Note: if you have a history of high blood pressure or are pregnant, please consult a physician before using.