The JPL Dea Clean Jewellery Cleaner uses natural ingredients. It is designed specifically for ultrasonic cleaners, and is concentrated so a little goes far. Aids removal of stubborn dirt and carbon, essential for use with James cleaners. Once opened should be used within 12 months. Aids the removal of stubborn dirt or soiling and even tarnish, rust and carbon from most metals. When used with an ultrasonic cleaner the cleaning process should take only a matter of minutes and remove the need for soaking. For use with all jewellery.