I know its a system but quite frankly for the amount of soap I go through the Ultima car shampoo is just too pricey. Is the Megs NXT wash to harsh for Ultima PPP? I know its built to be detergent proof or close to it but I wanted to here your thoughts David.
Also, what about a shampoo that has gloss enhancers, like this:
Would the wax or gloss enhancer ruin the look of UPPP?
Thanks.