CRC Glass Cleaner uses a residue free formula and is versatile and safe enough to use on your most delicate glass surfaces. Strong enough to quickly cut through the toughest dirt, dust, fingerprint and haze deposits. Additionally, its professional strength, ammonia fortified formula even contains a foaming agent that allows for greater coverage and less run-off when cleaning vertical surfaces. Biodegradable, ready to use, foaming, non-abrasive, non-flammable, industrial strength & non-ozone depleting.