Refresh your body and mind with a soaking bath in our magnesium chloride flakes. It will leave your skin moisturised and soft. Use Swanson Magnesium Chloride Flakes in a full bath or a foot soak. After 30 minutes, you'll feel relaxed and refreshed. The magnesium chloride comes from the Zechstein seabed in the Netherlands, which is one of the world's purest sources.