Several factors could be the reason you still have scratches.
Your not working it long Enough
How many passes do you make ? How fast do you move ? Remember with the PC it's a longer job
The polishes them selves could be the problem. I used CG polishes on my recent paint correction (2days worth)
And I have to re do it all.
It did not work as I'd hoped.
I'm upgrading to Menzerna polishes for my next correction.
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