1Z Einszett De-Icer Spray quickly de-ices frosted windshield and wipers and makes thick ice easier to scrape off. It is formulated with special additives that prevent re-icing. 1Z Einszett De-Icer Spray prevents filming which causes dangerous glare. It will not harm enameled paints, chrome, rubber or glass. 1Z Einszett De-Icer Spray is free of toxic methanol found in more common brands. This amazing formula is silicone-free and suitable for plastic headlight lenses.