That's exactly the reason. Bluing tricks your eyes into seeing white where none exists, because the slight blue tint provided overrides the yellow dinge.
Detergents today are full of UV reflective materials. LED bulbs have very little UV component, and there was some minor stink a few years ago from detergent manufacturers afraid that their artificial "whitener" would be useless because all it did was make the stuff brighter through UV reflection.
That's exactly the reason. Bluing tricks your eyes into seeing white where none exists, because the slight blue tint provided overrides the yellow dinge.
Detergents today are full of UV reflective materials. LED bulbs have very little UV component, and there was some minor stink a few years ago from detergent manufacturers afraid that their artificial "whitener" would be useless because all it did was make the stuff brighter through UV reflection.
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