Rinse aid for automatic dishwashers

Abstract

The invention relates to a rinse aid for machine dishwashing or automatic dishwashers, containing, based on the total weight of the dishwashing agent, 3.0 to 15.0 wt.% of a surfactant mixture as defined herein, and 0.01 to 3.0 wt.% of a zinc salt, furthermore the use of these dishwashing agents to reduce damage to decorations, such as decoration, in particular overglaze decoration, imprints and / or metal decoration (e.g. gold and / or silver rims), on the items being washed, and a method for washing dishes using these dishwashing agents.

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