FREE SHIP on $50+! Frangipani Epsom & Dead Sea Salts are the ultimate luxury for a relaxing bath soak. Salts contain magnesium, which are absorbed into the skin, which along with warm water assist in relaxing the muscles and any tension. Shake one or two 40ml containers into running warm water for salts to dissolve. Soak in bathtub for ten minutes for the optimum refreshing results.