SONAX Car Wash Shampoo (1 Liter) - 314300 is a powerful, pH-neutral car shampoo that quickly and effectively removes dirt and grime from car paint and other surfaces. It is highly concentrated and can be diluted with up to 5 parts water. It is safe to use on all painted surfaces and is suitable for use in high-pressure washers. It is also biodegradable and contains no phosphate.