Looking for a great automotive shampoo to use with your foam cannon that also smells amazing? NEW SONAX Rich Foam Shampoo is a concentrated soap optimized to work with pressure washers, foam cannons, foam guns or with the 2-bucket method. Rich Foam Shampoo has a fragrant berry scent and dissolves dirt with ease. This shampoo is pH neutral and safe to use on PPF and vinyl wrapped vehicles.