What will Get rid of machine oil smell in new jeans?

To get rid of the machine oil smell in new jeans, you can wash them in cold water with a cup of white vinegar or baking soda added to the detergent. This helps to neutralize odors. After washing, air dry the jeans outside if possible, as fresh air can further eliminate any lingering smells. If the odor persists, repeating the wash or using a commercial odor eliminator may be necessary.