French's Mustard is known for its commitment to quality and simplicity. The company prides itself on using high-quality ingredients, and their classic mustard varieties typically do not contain artificial preservatives. Instead, they rely on natural acidity and ingredients like vinegar and spices to maintain flavor and freshness. It is always best to check the ingredient label on the specific product you have in mind, as formulations may vary based on the type of mustard or any special varieties offered. Some specialty products might include different ingredients that could include preservatives, but French's generally focuses on delivering a product that is free from unnecessary additives. For the most accurate and detailed information about specific product ingredients, including any preservatives that may be used, visiting the official website could be beneficial. There, you will find the latest ingredient lists and additional information that may interest you.