Wash your vehicle from the top down and rinse often, to avoid contaminating your wash mitt or sponge. The bottom of the car is the dirtiest, by far, so save it for last. After you wash, dry your car with two / three towels. Make sure the bottom of your car you are using a separate MF towel.
Washing Ceramic coating vehicles
The Shampoos we stock e.g. CarPro and Optimum shampoo does not leave any wax or gloss enhancers behind. They are designed for cars with Ceramic coating or cars that have wax's applied to them.