2. The hardness of pearls is very low. If it is used with other precious stones and jewels, it will wear the surface of pearls, so it is best to store them separately. 3. After wearing pearl jewelry for a period of time, substances such as sweat stains will stick to the surface of the pearl and corrode the luster of the pearl. 4. Pearl jewelry should not be washed directly with water. Water stains in holes or cracks are difficult to remove. Then bacteria will attach to it and make the pearl turn yellow gradually. Wipe with a soft cotton cloth or use pearl washing liquid. In order to change the thread, pearls and necklaces worn frequently for a long time will become loose. It is best to check and replace the thread every 1-2 years.
5. The pearl is made of calcium carbonate, which avoids corrosion caused by contact with acidic substances and makes the pearl shiny. 6. During daily pearl maintenance, try to avoid pearl necklaces from contacting cosmetics such as vinegar, alcohol, perfume, powder, hair oil and various strong acid and alkali substances, so as to prevent pearls from fading or losing luster due to the erosion of harmful substances. 7. Avoid touching or rubbing hard objects, even hard materials. Therefore, it is not advisable to wear coarse clothes when wearing pearl jewelry to avoid abrasion or abrasion.
8. pearls are afraid of the loss of acid, alkali and water, and cannot be exposed to the sun or high temperature environment, nor can they be washed with hot water or boiled water. 9. When not in use, it can be stored in a jewelry box filled with soft and clean flannel or silk. It should not be sealed in plastic bags or boxes, so as not to affect the luster of pearls due to water loss.