McKee’s 37 Krystal Vision Foaming Glass Cleaner contains no ammonia. However, ammonia is an effective cleaner, but it ruins window tinting. McKee’s 37 Krystal Vision Foaming Glass Cleaner is safe on all tinted windows. No chemical residue is left behind, and no harmful fumes are released. This product is VOC compliant. Spray windshield. Wipe up and down. Side to side. The thick foaming formula has a significant dwell time that will stick to the surface. Glass will clear up completely with no smears. It's so frustrating to get in your car only to see smears and streaks after just cleaning the windshield. For that matter, seeing that when one of the last things done after detailing your car. This will not be an issue with McKee’s 37 Krystal Vision Foaming Glass Cleaner.