Not only does it penetrate dust, smoke, grease and grime on allglass and window surfaces, but it is also excellent for cleaning stainless steal, Formica, plastic, porcelain, and chrome. Great for most hard surfaces, nonstreaking and nonsmearing. Surfaces stay cleaner longer. Fortified with ammonia and several grease cutting surfactants and solvents for extra cleaning power. Clean with squeegee or cloth to leave all surfaces film free and squeaky clean.