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Soap
What does the expensive car washing soaps, used with pressure washers, have in them that makes them so expensive? I am not a detail type guy so I just wash and wax, by hand, my car. My simple minded question is can I use dawn detergent to wash my car? I have used this stuff for the past 10 years on my, soon to be traded in Volvo, and I really do not see a big degradation in the surface. Now if you put a magnifying glass to the paint you most likely would see a problem. Just wondering. All comments, positive or negative, are appreciated.
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