2. Silver ornaments that have been worn for a long time, especially electroplated silver, are soaked in the solution of "Imperial Salt" and clear water for 24 hours, and the longest need is 1 month. Imperial salt is a kind of salt with high mineral content produced in Japan, which can eliminate dead skin tissue in a short time and will not cause discoloration of silver jewelry. Sometimes it is also used to purify jade and crystal jewelry.
Primary color, polished surface, the simplest, you can go to the jewelry store and let the master polish it with a cloth wheel. After polishing the cloth wheel, wipe it with silver cloth. If there are cracks on the unpolished surface, just wash it with silver washing water. Don't wash too much water with silver at a time, it is better to rub it repeatedly. Too much will reduce the weight of silver.
The electroplating surface should be wiped with soft cloth, preferably high-grade decorative cloth such as chicken skin cloth, because the electroplating layer is very thin, and the wiping of rough cloth and the damage of chemicals will affect the surface brightness. Once it's not as bright as before. Soak the silver jewelry in white vinegar for 48 hours to remove the faint black oxide layer, then rinse it with clear water and brush the silver jewelry with toothpaste to completely remove the black oxide layer. No matter what kind of jewelry it is, it is best for MM to take it off and store it in a dry place when taking a shower and sleeping. Pure silver is a kind of metal that changes color easily, and of course it should change color.