Sterling silver, like other precious metals, can oxidize with time.
Clean your sterling silver with a 100% cotton silver cleaning cloth.
Paper tissue and other fabrics like polyester often contain wood fibers or synthetics that can cause tiny scratches in the surface of your fine sterling silver jewelry.
Every Kuroji jewelry box has an anti-tarnish paper in the box (little black square). This prevents sterling silver to tarnish. We advise you to keep you Kuroji jewelry piece in the original box. Store your box in a cool and dry place.
Swarovski crystals have a thin coating on some surfaces to give the crystals their unique appearance. Chemicals can build up on the crystals and make them look dull or tarnish the coating. Avoid contact with chlorinated water, hairspray, lotions and perfume.