Clearly The Best! ammoniated glass cleaner is the “professional’s choice” for sparkling clean and streak-free windows, mirrors, and other hard surfaces. This ready-to-use ammoniated glass cleaner contains a new proprietary ingredient that both dries faster and cleans more effectively, easily cutting through light grease, dirt, soil, and grime on glass. Clearly The Best! removes finger marks, lipstick, and oils, while the deionized water it contains helps ensure a clear, streak-free shine. Clearly The Best! can also be used on countertops, fixtures, appliances, glass showcases, and other hard surfaces to help protect and provide resistance to fingerprinting. This ammoniated glass cleaner is Prop 65 compliant with plant-derived surfactants. It is also non-flammable for safer storage.