Specifically designed to be used prior to any Undrdog coating application, for ease of wax and grease removal, or after a coating has been applied, to maintain its durability. An excellent product for cleaning your car, boat and other tough surfaces in your home or back yard. Our Soap is safe. It will not harm your coating and is strong enough to cut through thick dirt and grime. This product is compatible with all types of ceramic coatings and really great to have around your home.