The blackening of silver ornaments is a normal natural phenomenon. Because sulfur and oxides in natural media such as air have a certain corrosive effect on silver, after wearing for a period of time, some tiny spots (silver sulfide film) will appear, which will spread into pieces or even turn black over time. Therefore, at present, 925 silver jewelry has some discoloration due to oxidation.

Here are two maintenance suggestions:

1, guide consumers to seek truth from facts:

Worried about the blackening of 925 sterling silver jewelry is the empathy of most silver jewelry consumers. In order to win sales, manufacturers often make exaggerated promises. For example, unrealistic promises such as "never fade, never change color" lead consumers to lack scientific understanding of silver jewelry, so they have too high expectations. When they find that they don't conform to their promises in actual wear, they will feel cheated or cheated, which will lead them to return or exchange goods with merchants. In the end, it is the merchants themselves who suffer, which also affects the reputation of the merchants and leads to unsatisfactory sales. Therefore, in the sales process, it is necessary to correctly guide consumers to realize that "it is normal for 925 sterling silver jewelry to turn black, but if it is taken care of daily, it can completely make 925 sterling silver jewelry last forever."

2. Strengthen the maintenance knowledge of 925 sterling silver jewelry;

Most consumers know that 925 sterling silver jewelry will turn black, but they don't know how to prevent it from turning black or what to do if it turns black. This is the reason why some consumers are unwilling to buy 925 sterling silver jewelry. Therefore, it is the guarantee of consumers' confidence to teach how to maintain and remove the oxide on the surface of silver jewelry and restore the luster of 925 sterling silver jewelry. The main points are as follows: ① Don't wear other precious metal jewelry while wearing 925 sterling silver jewelry. Avoid collision, deformation or wear. ② Avoid contact of 925 sterling silver jewelry with water vapor and chemicals, and avoid wearing swimming, especially when going to sea. (3) after wearing it every day, clean it with cotton cloth and put it in a jewelry box or bag for sealed preservation. ④925 sterling silver jewelry has been oxidized and blackened, so it can be scrubbed with a soft brush dipped in toothpaste. If it is not clean, it can only be scrubbed with silver washing water.

925 sterling silver jewelry should be dried with cotton cloth after washing.