I've always liked NXT (1st formula). It gives me a good balance of depth and reflectivity on my black lexus. I'm curious about NXT 2.0 but at the same time, I've never tried M21 and am also curious about M21's new formula.
If I had the money to buy only 1 product, which do you suggest - NXT or 21? Include your reason for choosing a particular product? The car color is solid black (black onyx). Thanks.
If I had the money to buy only 1 product, which do you suggest - NXT or 21? Include your reason for choosing a particular product? The car color is solid black (black onyx). Thanks.
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