Epsom salt, also known as magnesium sulfate, is a mineral compound comprising magnesium, sulfur, and oxygen. Its name derives from the town of Epsom in England, where it was originally discovered in natural springs. Epsom salt is commonly used in baths to relieve muscle soreness, reduce stress, and promote relaxation. It is also utilized in gardening to improve soil nutrient content and in various health and beauty products for its exfoliating and anti-inflammatory properties. Known for its versatility, Epsom salt is a household staple with a wide range of applications.