Sterling Silver, Copper and Brass will all tarnish with exposure to certain environments and need to be polished. Jewelry should not be worn while showering, swimming, working out or applying products to skin, etc. Some individuals have more acidic skin and will tarnish jewelry items faster than others with more alkaline skin. In addition, jewelry should be stored in appropriate location away from moisture and humid environment, like a jewelry box, etc. Darken stamped impressions will fade if silver dip is utilized to clean tarnish from metal. With proper care, your jewelry pieces should have great longevity. Polish cloth is included with all sterling silver, copper and brass purchases.