Furthermore, the USDA says that paper products are safer than plastic or polystyrene when heating in the microwave. Many people use wax paper in the microwave to help retain heat more efficiently, the wax paper heats the food faster without creating a steaming effect on it.Ĭan you microwave wax paper? Wax paper that is labeled as microwave safe is safe and reliable to use in a microwave oven. Wax paper is widely used for cooking, baking or to cover the food and prevent splatter.