Only Invisible Glass has been tested and proven 100% residue free. Many glass and window cleaner brands contain soaps scents dyes and other additives that leave behind residues. Residues form streaks and attract dust and grime - leaving your glass surfaces looking dirty and forcing you to clean more often. Invisible glass easily removes fingerprints smudges pet slobber dirt grease and smoke haze on windows mirrors patio doors glass cooktops and other glass mirrored and chrome surfaces. Wipes are pre-treated and lint-free.