What is it? pH neutral pre wash product that is high foaming. Its used to remove traffic film (road grit, bug splats and general grime) prior to shampooing.How Does it Work? When used via a foam lance on a pressure washer this product produces a thick foam aiding it's contact time. The foam encapsulates the grime and lifts it from the paint surface enabling easy rinse off of the exterior grime.Benefits? pH neutral makes for a safer clean and eliminates the chances of setting up corrosion. Thick foam increases contact time improving the cleaning. By removing the grime prior to shampooing the car it reduces risk of scratching paint work and thus keeps the vehicle looking newer for longer.