With hosepipe bans becoming more common, big hitters such as Turtle Wax have joined the band of firms producing alternatives to regular washing. And there are several different ways of keeping your car clean without using gallons of water in what is still a relatively new sector.

We tried them all on grubby panels, windows and wheels, looking for simple grime shifting and, importantly, no paint damage. We factored in ease of use and cost, which can be quite high compared to a bucket of suds and a sponge.