Simoniz 2 in 1 Shampoo & Snow Foam provides deep cleaning action which is tough on dirt and road grime. The PH neutral formula is gentle enough for use on all paintwork finishes. It also contains Carnauba Wax which will protect the paintwork and enhance its shine. You can use it as a normal shampoo or in a foam cannon to create a dense snow foam which will break down dirt and grime.