i dont think it's the UV coating itself they put on that sheilds it from getting yellow.
im sure it helps, but it's not the solution.
cause my dd's parked outside use no uv protection/sealants beside watever
spray i use from time to time to clean the lenses... and those spray polymers only last a
few weeks at best.
it's definitely something people are using to wash their cars with imho...
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