Epsom salt is a naturally occurring compound of magnesium, sulfur, and oxygen that’s used for a variety of purposes.
Chemical composition: Epsom salt is also known as magnesium sulfate, and its chemical formula is MgSO4.7H2O.
Appearance: Epsom salt looks similar to table salt, but it tastes bitter and is not suitable for cooking.
Country of Origin: China
Storage: Store in a well-closed container away from moisture