Many oils are sold in both refined and unrefined versions. The refined versions are more highly processed and will have a milder flavor and higher smoke point. The unrefined versions will have a stronger flavor and lower smoke point. Unrefined peanut oil can be bought in many stores and will be labeled as unrefined. And, keep in mind that not all refined oils are equal. To learn more, read this article about Choosing the Right Cooking Oil.