'Perfect' - Powerful and fast acting luxury cleaner with corrosion inhibitor Topaz Wheel Cleaner is pH neutral and has been developed with three main functions: to clean wheels impeccably, to have a corrosion inhibitor and be safe to use on exotic materials found in supercars today. All ingredients that could cause an adverse result have been removed leaving a 'Topaz Standard' wheel cleaner that we are proud of. It can also be diluted to be used on paintwork to remove iron fallout for chemical decontamination Every bottle includes a trigger spray cap for easy application.  Bottle and cap plastic - widely recyclable.  DIRECTIONS: Spray liberally on wheels and allow to dwell, then agitate product on wheels using a soft bristled brush if heavily soiled. NOTE: Avoid using it in direct sunlight and do not allow it to dry out. Check Out Our How To Use Video: