Clean windows or no streaks? Only one product does both well.
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Our assessment is based on how well the cleaner removes greasy dirt from a ceramic tile. Cleanliness is assessed by measuring reflectance before and after cleaning. We also assess whether the cleaner leaves streaks.
Find out more about how we test glass and window cleaners
Electronic devices including plasma and LCD screens, painted wooden surfaces or tinted glass. For surfaces other then glass, test on an inconspicuous area before use