Organic black mustard oils in UAE. his Organic pure Mustard and mustard essential oil may help reduce inflammation and pain, block microbial growth, and enhance hair and skin health. Both mustard seed and oil can also be diluted with a carrier oil and applied topically in massage. Organic black mustard seed oil can mean either the pressed oil used for cooking or a pungent essential oil also known as the volatile oil of the mustard. The essential oil result from grinding mustard seeds, mixing the ground with water, and extracting the resulting volatile oil by distillation. It can also be produced by dry distillation of the seed. Pressed mustard oil is used as cooking oil in some cultures. Organic black mustard oil is used for the common cold, painful joints and muscles rheumatism, and arthritis. Black mustard seed is used for causing vomiting, relieving water retention, and increasing appetite.