It is formulated to be safe on all automotive wheel and tire surfaces. Formulated to remove brown residues, and old dirty and greasy tire shine products from tire sidewalls quickly and easily. Combines synthetic brake dust removers and grease cutting surface active ingredients to get wheels and tires clean with less effort. Biodegradable and phosphate free.Clean and shine in one easy step * Easily cleans brake dust and road grime from wheel and tiresCombines synthetic brake dust removers and grease cutting surface active ingredients to get wheels and tires clean with less effortClean and shine in one easy stepSafe product for all factory and custom wheelsAcid free formulaBiodegradable and phosphate free23 oz.23 oz. Turtle Wax All Wheel & Tire Cleaner. Advanced nanotechnology formula quickly penetrates and removes tough brake dust and road grime from all wheel surfaces. Acid-free formula will not damage sensitive wheel surfaces and is completely biodegrad