Dabur Pure Indian Mustard Oil... Seeing more hair than usual in your brush? Mustard seed oil is loaded with vitamins and minerals such as zinc, selenium, and beta carotene. Beta carotene converts to vitamin A, which is excellent in stimulating hair growth. The oil also has a lot of fatty acides, iron, calcium, and some magnesium. Thus, it conditions and helps encourage hair growth in all hair types. You can get mustard oil in Indian food stores or just on Amazon.