Gundel Putz I play trumpet through met and these are often cleaned with it. Even the silverware my parents has thus regained its former glory as Gundel Putz is also food-safe and it will last longer than all the other tips and tricks that can be used
As decades consistent quality and also by "modern" products unbeatable. I know this product for nearly 30 years and can recommend it without restriction
after 20 years, that has kept the original furnishings (!) and after 25 years of satisfied pan Gundel customer it was so great to come back to the familiar product ...