Think about it. Your car is surrounded by glass. Keeping it all clear and streak-free (both inside and out) is a point of pride - and a must for safe driving. Your car's delicate surfaces are too important to trust to a household cleaner - and glass is no exception. Some household cleaners contain ammonia, which may damage automotive surfaces. Armor All Glass Cleaner is formulated specifically for your car, to tackle the toughest auto glass cleaning jobs without damaging automotive surfaces. See the results for yourself: sparkling windows with amazing clarity and shine!