Spray wax will typically last a couple weeks to a month, although some companies claim their products last longer. Of course this depends on environmental conditions and how often your car sits in the ...

After washing your car, you would need to wait for it to dry before applying conventional products. But with a wash wax spray, you can do it while the car is drying. Wash wax sprays can perform ...

John Ibbotson, Consumer Reports’ chief mechanic, says that regular washing protects your car’s finish. It helps remove “road grit and residue left from rain and birds.” Not washing your car, he adds, ...