
Originally Posted by
Dave10
Ok I am a detailer and have applied hundreds of ceramic coatings on cars. With that stated you should never use any Waterless, Rinseless or quick detailer on a ceramic coated car.
The fact is they all scratch the coating no matter what the sales people say. I have seen people do this several times and say “well, people on the Internet said it would not scratch”
If you have a good coating dust will blow off when you drive. If you car is dirty just wash it. A simple rinse or soapy wash will lift off the dirt and rinse it away.
All those other products have you soak and wipe the car down. They do not have any special magic chemical that lifts the dirt away and suspends it before you softly wipe the car down with fresh fluffy clean MF towels. All the marketing hype you see is complete BS just like the trend of Graphene in coatings causes less water spots. All that stuff is simply not true.
People pay a lot for paint correction and ceramic coatings and they return great results for yours with basic washing maintenance. All those other products add additional cheap chemicals and polymers on top of a great coating that does not need them and they actually make the paint less reflective and crisp. I never understand why people want to cover a ceramic coated car with low quality products.
Ceramic coating do not need toppers at all. The only exception is if you have to let a client take a car before the coating has fully cured. In that case I only use the product from the same company as it is made for. All of the “toppers” wash off with the next wash and if they doint why did you get a coating to begin with?
I agree that you don't need to use quick detailer products on ceramic coated cars. However, I do not agree with your recommendation for not using waterless wash products.
Whether you wash waterless or traditional, something has to touch the car to properly remove the dirt and you will incur some degree of micro-scratch every time you wash you car, no matter what the method. If you power rinse your ceramic coated car, most of the dirt will be gone right there. You can just use a heated air dryer after that and be totally touchless, much of the time. When you do need to touch the car to wash it, applying a liberal amount of waterless wash and wiping with not too much applied pressure to your towels will give great results. You definitely do not want to "rub" a coated car, and you never need to.
As far as dust blowing off a ceramic coated car when you drive, that may happen with ordinary air dust, but this certainly won't happen with road spray after driving in the rain. Especially on the sides, and rear of the car, where a vacuum effect actually sucks the dirt to the car.
My 2022 RS5 is my 3rd ceramic coated car. My 2018 Porsche Macan looks spectacular after over 4 years and 62,000 miles using my methods. So does my 2020 Porsche Spyder. That being said, I have only ever used Griot's Spray-on Car Wash, so I do not know how other products compare. I did contact the company when I had my first ceramic coated vehicle and they informed me that the product would work very well on a coated car. They sell a lot of cleaning products so they could have just as well recommended a traditional wash.
I do agree that once clean (however you choose to do it) you don't need any other type of product over the ceramic coating.
Just Saying.
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