Mustard Oil is highly recommended for the reason that it is full of monounsaturated fatty acids. Our body needs oil in the ratio of 3:1 – three parts of polyunsaturated fatty acids and one part of saturated fatty acids. Monounsaturated fatty acids (MUFA) come under polyunsaturated. Mustard Oil is full of MUFA which is very essential for our health. It’s good for the heart, lightens skin, helps in hair growth, prevents premature graying of hair.