As well as car polish, carnauba is used in polishes for shoes, floors and furniture, and is often mixed with beeswax or turpentine. A key property of this wax is that it isn’t soluble with water ...
you need a chemical vehicle to carry the polish; volatiles mixed with the wax. Neither the volatiles nor the spray can are environmentally sound, and to top it off, you don't get much wax on the wood.