Eurol Summerwash is an excellent cleaner for dirty windshields, leaving a fresh smell after use. Eurol Summerwash is safe for polycarbonate windshields and does not leave streaks. Moreover, the product is non-corrosive, not harmful or irritating, so it can be used safely. Eurol Summerwash provides a smooth running of the windshield wipers without wiper chatter. Rubbers, paints and polycarbonate are not affected by this windshield washer fluid.