Ready to Use, Streak Free Finish on Glass Safe on all Glass, Metal & Plastic Parts Easily removes Filmy Residues, Road Grime, etc 3M Glass Cleaner Superior Solvents ensure quicker removal of contaminants on glass with minimal effort. Its a Zero Ammonia Formulation safe for the user as well as the environment. Spreads easily on the glass to give superior results. It doesnt leave behind any residues. No clean up issues on overspray. Application : Spray 3M Glass Cleaner onto glass, clean with Glass Cleaning Microfiber and rub thoroughly using Microfibre Cloth to clean surface from inside and outside. Remove the residue or over sprays if any with Detailing Cloth. Avoid doing the demo in direct sunlight and on hot windshields.