1. Toothpaste is a good helper to remove the black of silverware. Toothpaste is rich in fine calcium carbonate particles, and the friction of these particles can wipe off the silver oxide on the surface.

Find a toothbrush, patiently wipe it with a little toothpaste for a while, and then wash it with clean water. After scrubbing with toothpaste, be sure to rinse with clean water, preferably pure water, not chlorinated tap water. Tap water containing residual chlorine can easily lead to the formation of silver chloride on the surface of silverware. When silver chloride is decomposed by light, it will still lead to the surface blackening of silverware.

2, pay attention to maintenance after polishing silver, do not contact with all kinds of strong acids and alkalis, do not contact with strong oxidizing substances, do not contact with all kinds of sulfides.

Nowadays, many people pay great attention to hygiene. They often wash their hands with various soaps, hand sanitizers and disinfectants, and bathe with soap. These washing products will also cause silverware to turn black, especially sulfur soap, which will produce black silver sulfide. Therefore, when personal care, try not to touch the detergent on the silverware, and it is best to take off the silverware.

When the silver ornaments are not used, they should be cleaned and put away. It is best to pack in sealed bags to prevent oxidation, yellowing and blackening. If the wearer sweats a lot, he can wipe the surface with a soft cloth every day to keep the luster and remove dirt. It is best to use special silver rubbing cloth for silver ornaments plated with platinum. Silver rubbing cloth can be purchased in silver jewelry brand stores. Note: Silver cloth contains maintenance ingredients and cannot be washed.

5, including the exquisite three-dimensional carving of silver ornaments, to avoid deliberate polishing. If you find that the silver ornaments are yellow, you should first clean up the thin seams of the silver ornaments with a small jewelry brush, and then gently wipe the surface with a silver cloth to restore the original silvery white and brightness.

6. If the silver jewelry is not treated and collected after wearing, it is very likely that the silver jewelry will turn black. At this time, you should use a small jewelry brush to clean the fine seams of jewelry, then drop a drop of silver emulsion on the paper towel to wipe off the black oxide on the surface of jewelry, and then use a silver cloth to restore the original brightness of jewelry. After that, remember to do daily general maintenance to prevent the silver ornaments from turning black again. Silver ornaments are hard to turn white after being blackened many times.