Bath-salts are sea salts (with the exception of Epsom salt and Himalayan salt, which is a mineral salt), obtained naturally from evaporating sea water. Sea salt is hailed for its health enhancing minerals, therapeutic properties. Adding a little sea salt to the bath can stimulate circulation, ease muscle cramps, help relieve stiffness in joints, aid with arthritis or back pain, and soothe achy, overworked legs and feet. Plus sea salt helps cleanse and detoxify the largest organ in the body.