Tarnish is a chemical reaction, not dirt. When silver meets airborne sulfur compounds, it forms a dark layer of silver sulfide on the surface, and that layer is corrosion, not grime you can wipe away (Cleveland Museum of Art, in 2024). Not every method for how to clean tarnished silver treats that layer the same way, though. Abrasive polishing, whether it's a cloth, cream, or paste, physically removes microscopic layers of silver along with the tarnish (Cleveland Museum of Art, in 2024). A...