Our jewelry cleaning effervescent tablets contain sodium bicarbonate, citric acid and sodium dodecyl sulfate. It can remove dirt from all jewelry and accessories, including necklaces, earrings, bracelets, etc. And restore the original luster of the jewelry. Helps to clean quickly and does not fade or discolor during cleaning. Its use is simple: take a clean table and dissolve it in water. Soak the jewelry in water until the stain disappears. Finally, remove the jewelry and dry it. Dissolve. And it can extend the life of your jewelry and make your jewelry shine for a long time.