Jeunesse Minarelle Spa Natural Black Mud & Bath Salts. Invigorating and Stimulating to the Body. Natural Products from the Dead Sea. Natural Dead Sea Mineral Mud has been known since antiquity for its remarkable ability to treat problem skin and rheumatic pains. The Dead Sea Mineral Mud keeps the skin looking young and helps soothe pains in the back and limbs. Dead Sea Mud in rich in minerals such as bromides, sulfates, calcium, magnesium, lithium, potassium and quartz that help to stimulate blood circulation and metabolism. Natural Mineral Bath Salts from the Dead Sea contains a high concentration of chlorides, potassium, magnesium, calcium, bromides and sulfates that stimulate the metabolism and blood circulation, soothe the skin, prevent itching and ease pains in the joints and muscles.