Used as a fertilizer in agriculture to correct magnesium deficiency in soil, promoting healthy plant growth and chlorophyll production. Commonly applied in horticulture for crops like tomatoes, potatoes, and roses. Employed in medicine as a treatment for magnesium deficiency, pre-eclampsia, and eclampsia; administered intravenously in healthcare settings. Also used as a laxative to relieve constipation. Serves as a bath salt additive, often known as Epsom salt, to soothe sore muscles, reduce inflammation, and promote relaxation. Utilized in brewing and winemaking to adjust water hardness and provide essential nutrients for yeast fermentation. Acts as a drying agent in organic synthesis due to its hygroscopic nature, commonly used to remove trace water from organic solvents. Found in some skincare products for its exfoliating and soothing properties.