Our jewelry cleaner contains deionized water, hydrogen peroxide. It can be quickly decomposed atomized, remove grease dark yellow oxidation. Its use method is very simple: 1. Shake well before use. 2. Spray the product evenly on the surface of the jewelry. 3. Let stand for 1 minute to remove impurities. 4. Rinse off with water. And quality assurance, mild non-irritating, deep cleaning.