The best whitening tool I own isn’t a product. It’s not the polisher I keep in my bathroom drawer, it’s not whitening strips (I’d never), and it’s not even my toothpaste.
It’s saliva.
A wet mouth is a self-cleaning mouth, and a dry one is a stain magnet.
A dry tooth doesn’t just collect color, it looks worse (duller, grayer) within hours.
Hydrated enamel has a faint glassy translucence, and that wet sheen is a big part of what your eye reads as “white.” Let the tooth dry out and that glow goes away. You can see the effect immediately. Your teeth at 4pm with a cotton mouth look dull...
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