Oxidized jewelry was intentionally darkened. Over time, the oxidation of your pieces will slowly change. Sometimes it will lighten and sometimes it will darken, it all depends on the environment you live in. For example: humid versus dry climate. If you wish to brighten the piece up, use a soft polishing cloth and lightly rub it over the piece.
It is recommended to clean pieces with a soft toothbrush, fragrance and dye free dish soap, and warm water, if needed for deeper cleaning.
We also do not recommend sleeping, showering or swimming with your jewelry on.