The Boss X is an all safe pH Balanced Decontaminate. The Boss X is formulated to safely break down ferrous metal & iron contaminates. The pH balanced formula allows this cleaner to also be used on paint, chrome and all wheels. The Boss X iron & metal cleaner works wonders at breaking loose the rust, metal & iron fallout that comes from brake dust & road grime that's backed on to y our wheels & paint. The Boss X cleaner is perfect for before claying a car to help prevent scratches. Let cool down or rinse surface, make sure surface is cool. Shake well and spray on dry surface evenly. If on rims lightly agitate Y wait 3-5 min, but never let dry on surface, then rinse off with pressured water or pressure was.