Using your flatware daily will not only bring you pleasure, but also prevent oxidation. Christofle recommends using the dishwasher to keep your flatware beautiful and give it a lovely patina, bearing in mind the following suggestions: - Use powder detergent, no liquid or gels.- At the end of the cycle, open the dishwasher door slightly to avoid condensation marks.For hand washing, use a soft sponge and soapy water. Christofle offers a range of excellent and easy-to-use products to maintain or refresh the beauty and brightness of your silver. - Dip your flaware for a few minutes in the flash argent, it will regain all its original brilliance.- Polish your silverware with our silversmith gloves or chamoisine cloth to restore the brightness of a tarnished piece. - Protect your flaware from oxidation by applying anti-oxidant antitarnish liquid or antitarnish cream.