Avoid direct contact with chemical since it can lead to tarnishing and make the black area of the jewelry fade away
Remove jewelry before going into shower, swimming pool or salt water.
Clean your jewelry by rubbing it with polishing cloth or any kind of soft fabric
Store the jewelry in the case to prevent it from scratches
If you think your jewelry has become too dirty, we recommend you to boil it in the water with a dishwashing liquid.
Or, you can put some tooth paste on the jewelry
brush it off using toothbrush
rinse it under a running water