Professional dental work
- Veneers
- Cleaning rather than whitening
So be cautious with claims promising a completely white smile after one brushing.
What About Salt?
Salt is another common DIY ingredient.
While salt can have cleaning uses, rubbing coarse salt directly on teeth can be too abrasive.
Abrasive powders may scratch enamel and irritate gums.
There is no need to scrub your teeth with salt to keep them clean.
What About Charcoal?
Activated charcoal toothpaste has become popular, but evidence for meaningful whitening is limited.
Some charcoal products can also be
