Your kitchen is full of amazing ingredients. Your bathroom has the most effective product to clean oxidized headlights. The answer to what to use to clean plastic headlights lies in your house only as there are some products which will make effective headlight cleaners. For example, there is toothpaste in your bathroom. It is a one-product army that does not need anything else with it to clean your car's foggy headlights. There is baking soda and white vinegar, which can be mixed in proportion to make a powerful cleaner. It is a method that is easy, effective, and effortless. Then there is bug spray with DEET, which is effective against mild damage. You can sand your headlights as well. These household methods are cost-effective and proven.