Sometimes chemicals, hot water and high pressure aren't enough to get your vehicle completely clean. For example, a heavy coating of road grime generally needs friction (the use of the foaming brush) to be removed.

An easy method to see if you need to use the foaming brush is to swipe your fingers from the bottom of one of your doors upwards (after wetting the paint surface first, do not rub dry vehicle paint surfaces with your fingers!). If you can still see your finger marks after cleaning your vehicle then you most likely need to use the foaming brush.

The picture below shows an example what your finger marks may look like before cleaning. If the finger marks are still visible after using our presoak/engine cleaner and high pressure soap, then the brush is required.