With Sonax Beast Wheel Cleaner dirt & contaminants have no chance! Quicker color changing formula in a new economical 1 liter bottle. Simply spray on cool, dry wheels, and allow to dwell 2-4 minutes. Spray off with a pressure washer or strong jet of water. Safe for all steel and light-alloy wheel rims - painted, chrome-plated, polished and matte rims. Does not attack the rim surfaces or wheel bolts. Suitible for tires with TPMS (Tire Pressure Monitoring Systems). TIPS: Do not use in hot sun or apply to wheels when warm or hot Do not allow to dry onto the wheels after applying the product