If you wear sterling silver, it's not a question of “if” your jewelry will tarnish but of “when”. Fortunately, solutions exist to help you protect your sterling silver jewelry. To better understand what is happening, you need to know the causes of dullness: sulphur, humidity, pH of the skin and sunlight. In this guide, you'll get an overview of what tarnish is, how to prevent it from spreading, and some techniques for removing it once it's formed. Be proactive and you can maintain the shine of your silver jewelry.