data-src="https://cdn.media.amplience.net/i/washford/haluk-car-cleaning-spot1-step3-process-winter21-1382x867" Once you return, you’ll need to rinse it off, but the bodywork should be substantially cleaner, and importantly comparatively free from dirt and grit, allowing you to finish the job with a cloth and shampoo followed by a coat of wax. Another helpful feature is that most snow foams will gently lubricate the bodywork, meaning that you’re less likely to leave scratches or swirl marks. There are plenty of good pressure washers on the market. But if you’re on a tight budget, you can try a pump-operated pressurised spray bottle instead. Just bear in mind that you might not get the same spectacular results.

You should never use washing up dish soap to clean your car with. It can strip wax protection, promote oxidation and could wear other parts of your prematurely.

It’s easy to see snow foam as an alternative to shampoo and a replacement for traditional cleaning when it’s actually designed as a supplement. That’s not to say there are snow foams capable of washing a car, but it’s not the best course of action. What should I look for in a good snow foam? For reasons of hygiene and safety, personal grooming products, cosmetics or items of intimate clothing cannot be returned.

Soften up the dust, dirt and caked-on grime with the best snow foams from just £8

We found after a few uses, out snowfoam lance scaled up and required descaling as the foam was just not coming through. We haven't had this problem with more premium snowfoams. There are far superior products for cleaning power and we are unsure of the PH properties of Demon Foam.