It produces bile and gastric juices from the liver and spleen, leading to better digestion and bowel movements. It is also a natural tonic for the body that boosts the immune system. Mustard oil assists in bringing back sensation to numb body parts. It provides relief from pain caused by arthritis and rheumatism when it is gently massaged onto the affected Mustard oil opens up the pores which is especially helpful to reduce body temperature and get rid of toxins, excess salt or water from the body. It contains anti-bacterial and anti-fungal properties, and thus combats internal bacterial as well as external skin infections. It is commonly used as a hair oil, and is extremely effective for hair growth as it increases blood circulation and nourishes hair roots. It stimulates blood circulation and hence, is commonly used during body massages. It is a major health booster. It induces hunger by stimulating the body’s gastric juices. A natural appetiser! Known to provide warmth to the body, it is effective in curing the common cold and cough, body aches and pains, chest congestion and even headaches. Mustard oil is commonly considered a useful aid in preparing homemade kohl and eyeliner. It is used as a fuel for lighting up earthen lamps on traditional occasions and festivals like Diwali. Mustard oil is a natural cure for skin tan and can also be used as a powerful natural sunscreen. This oil is an effective solution for chapped and dry lips. Its pungent aroma keeps away mosquitoes and other insects, in turn keeping harmful diseases like malaria at bay.