PRAN Mustard Oil is the purest mustard oil that has a variety of uses. It is a good oil for hair and skin care, and when used as a cooking medium it enhances the taste of food. Only the finest quality and freshest Mustard seeds go into making the oil. Please note: Due to US FDA regulations, all mustard oil imported into the US must be labeled "For External Use." It is fairly common to boil the oil to a high temperature, to its smoking point, and let it cool before use in cooking.