Epsom salt is a crystallized form of magnesium, unlike sodium table salt. It is also known as heptahydrated Magnesium sulphate. It is commonly consists of magnesium, Sulphate and oxygen. We had mainly focused on its Properties, importance, adverse effect, contraindication, uses, Different classes, application based formulation and its Pharmacological properties. Based on properties it is non-toxic, odour-less, neutral in pH, bitter in taste and soluble in water. Where as it has Vast field in uses such as relieving body stress, reducing muscle Soreness and relieving muscle cramps, it improve blood circulation, Used in treating constipation and also used in cosmetic purposes such as for detoxifying the skin and providing nourishment to the skin. It Cleans the pores and control the body acne. In these we had coverd its adverse effect due to overdose consumption such as nausea, Vomiting, diarrhoea, colitis and toxic megacolon. This salt is effective for all types of skin. Thereby we also mentioned its Formulation which is mainly used in the market as a bath salt along with its benefits, direction of use and safety.