De-icer. Description: Glasses treated by this product are not covered by ice during some days. A specially developed composition forms an invisible protective film which prevents icing. Ice crystals formed on the protective film can be easily removed by wipers. It is made based on isopropyl alcohol. Methanol-free. Instruction: Car glasses must not be covered by any protective products (like anti-rain). Wash and dry car glasses before applying the de-icing product to get the best results. Evenly spray the de-icer on the glass, wipe it with a clean cloth. Safety measures: Highly inflammable liquid.