Chemical Guys CLD_677 Window Clean Streak-Free Glass Cleaner (1 Gal) Streak-free window cleaner Formulated with non-ionic surfactants, specialized molecules that are 100 percent non-toxic and all-surface safe; no-reactivity 100 percent ammonia free and safe to use on tinted windows, clear plastic instrument panel lenses, headlight and taillight lenses 1 gallon mixes with up to 3 gallons of distilled water Great for the home too on mirrors and glass shower doors