Turtle Wax Redline Wheel Cleaner is a unique pH neutral wheel cleaner that actively turns red as it cleans brake dust Unlike aggressive acidic or alkaline based cleaners, Redline Wheel cleaner can safely be used on all alloys without the risk of damage It is as easy to use as it is efficient, simply spray it on, watch its color change as it cleans and then blast if off with a power washer to enjoy sparkly clean wheels Non-acidic formula safe for all alloys, decals and wheel nuts and can be left for much longer than aggressive acidic or alkaline based cleaners Thick gel formulation ensures maximum cling time to ensure maximum surface contact prior to rinsing Works on contact with wheels and brake dust, only water pressure required