Snow foam works by creating a thick, clingy foam that sticks to the surface of your car. ... Because of this increased contact time compared to regular soap and water, snow foam is better at breaking down dirt and lifting it off the surface of your car, which in turn makes your regular car wash much more effective.

Do foam cannons actually work?

To be clear, a foam cannon doesn't make a difference when used the way most people use it. Using a snow foam that's intended to strip wax and grease or stronger cleaners in a foam gun will actually boost the cleaning ability. The problem is that most people just use the same ph-neutral soap that's in their wash bucket.

What does snow foam actually do?

Snow Foam is a Pre-Wash product that helps to break down and remove dirt and grime which accumulates on your cars paintwork, making this a great first step to washing a dirty car as you don't have to make contact with the paint surface with a wash mitt or sponge.