Luckily, there are alternative options available. 3D Waterless Car Wash allows you to keep you car looking clean without wasting the water. Just spray it on, rub it in, and then wipe it away. This product protects your car from airborne contaminants to keep the clean look longer. It can be used on the interior and exterior of the car.
Buy it here.
Earthgarage – Greener Car. Fatter Wallet.