A waterless car wash is safe as long as the car is only lightly dirty. You spray a lubricating wash product onto the panel, lift the dirt off the paint with a clean microfibre cloth and wipe the panel dry. For dust, pollen and a thin film of road grime you do not need a hose. If there is mud or caked-on sand on the paint, a normal wash is the better choice.
Washing a car without water: waterless or rinseless?
With a waterless wash you spray a ready-to-use or self-diluted liquid onto the panel and wipe the dirt away with a cloth. There is no bucket and no rinse water. A rinseless wash sits in between: you mix a small amount of concentrate into a bucket of water, wet a cloth or wash mitt and wash panel by panel. You do not rinse the car afterwards, you dry it with a dry cloth.
The difference is the amount of liquid. A rinseless wash puts more lubrication on the paint, so the car can be slightly dirtier. A waterless wash is quicker and fits in the boot as a spray bottle. You will find both types in our waterless and rinseless category.
When does a waterless car wash work well?
Your car has a film of dust, pollen or fingerprints, but no visible grit.
You have no hose, no outdoor tap or nowhere to rinse, for example in a flat or a car park.
The paint has wax, sealant or a coating. That limits how much dirt sticks.
You want a quick touch-up between two proper washes.
Method | What you use | Best for |
|---|---|---|
Waterless wash | Spray bottle with ready-to-use or diluted liquid | Light dirt and quick touch-ups |
Rinseless wash | Bucket with concentrate and a wet wash mitt or cloth | Slightly dirtier, more lubrication |
Regular wash | Pre-rinse, shampoo and clean buckets | Mud, road salt and sand |
When is a normal wash better?
With mud, road salt, thick layers of dirt or sand on the paint there is not enough lubrication to lift the dirt safely. Pre-rinse first and wash with shampoo and clean buckets. How to do that without marring is covered in our guide wash your car without scratches. An ordinary quick detailer is no replacement for a waterless wash: it does not have enough cleaning power for dirt on the paint.
How to do it
Pick your spot. Work in the shade on cool paint. In the sun the liquid dries too quickly and leaves spots and streaks.
Lay out your cloths. Fold each microfibre cloth in four to get eight clean sides. A normal car needs about six cloths, an SUV more. Pitfall: reusing a dirty cloth drags grit to the next panel.
Start at the top. Work from the roof down, one section of about 60 by 60 cm at a time. Leave the lower panels and sills until last, because they are the dirtiest.
Spray and let it soak. Wet the section generously and wait a few seconds so the dirt loosens. With a rinseless wash, dip the cloth or mitt in the bucket and wring it out lightly.
One pass, one direction. Lay a folded cloth flat on the panel and pull it towards you in a straight line. Lift it, look at what came off and turn to a clean side. No scrubbing and no circles. Tip: start each new pass a few centimetres below the last.
Dry and buff. Wipe the section straight away with a second, dry cloth. Leftover moisture leaves streaks, especially on dark paint and glass.
Products that suit this method
Koch Chemie Rapid Rinseless Wash is a rinseless wash for situations without a water supply. The dilution is 1:256, so one litre lasts for dozens of washes. You dip your wash mitt in the bucket and wash panel by panel.
D-CON Orange Eco Waterless Wash Concentrate is diluted up to 1:15 in a spray bottle. It cleans and leaves a glossy layer in one go, and it suits paint, wheels, glass and plastic. Koch Chemie WF Wash & Finish is a waterless wash for light to moderate dirt that conditions the surface and leaves a hydrophobic layer. Existing wax or polish stays intact.
With any method, the cloths decide the result. A thick, double-sided plush cloth such as the Chemical Guys El Gordo Lime (40x40 cm) is made for waterless wash, wax and detailing spray. The Chemical Guys Big Monster at 60x40 cm covers more area per wipe. For the final buff, use an edgeless cloth like the Chemical Guys Happy Ending. You can read more about colour, weight and GSM in microfibre cloths: colour and GSM. The full range is under microfibre cloths.