Magnesium chloride hexahydrate is widely used for dust control on roads and construction sites due to its hygroscopic nature, helping to bind fine particles and reduce airborne dust. It is commonly applied in soil stabilization, erosion control projects, and as an adhesive in certain construction applications, especially in landscaping and civil engineering. It serves as a key source of magnesium in the electrolytic production of magnesium metal. Utilized in the production of magnesium oxide cement for fire-resistant building materials. Employed in wastewater treatment as a coagulant aid to improve solid-liquid separation. Found in nutritional supplements, pharmaceuticals, and agricultural fertilizers as a source of bioavailable magnesium for plants deficient in this nutrient. Used in food processing as a coagulant for soy milk in tofu preparation and as an additive in pickling brines to enhance crispness in vegetables. Also incorporated in body care products like skin oils and bath salts for moisturizing properties. Additionally, it acts as a precursor in the synthesis of other magnesium compounds and in various industrial chemical processes, including laboratory applications for cell and insect cell culture.