Renaissance Wax for copper sinks as well as other metal or wood sinks, is the best product we’ve found for maintaining and caring for the original patina and look of your sink.
Maintain and care for your sink by using this wax like you would wax a car: apply the wax on a clean, dry sink, then wipe off with a soft cloth. Easy to apply and economical - only a thin layer is necessary. Reapply on your sink when you start to notice the water is not beading as quickly anymore (depending on use, about every 3 to 6 weeks).