Organic Mustard oil is extracted by cold compression of mustard seeds, the essential oil version is extracted by steam distillation of mustard seeds soaked in water. The oil has high levels of vitaminE, which helps improve skin health. Mustard oil is high in omega-3 fattyacids. Mustard oil helps our hair grow and healthier. Mustard oil is protecting against heart attacks was attributed to its abundance of omega-3 polyunsaturated fatty acids.