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Are you afraid of fading when you buy a silver necklace in Liu Fu jewelry store?
Silver is divided into 925 silver and 990 silver. If you buy 925 silver, there is a layer of white gold water on it, which generally does not change color without contact with chemicals. Then if you buy 990 silver, it depends on your physique. Good health will not change color. But if you don't take 990 silver, you'd better wrap it up, because pure silver is easy to oxidize, not a quality problem. Remember.