“Whiteness” toothpastes should be used selectively, as some are very abrasive and can damage your teeth over a long period of time due to their high rate of abrasion.
On the market, you will also find many whitening dental products called “home bleaching”, which use lemon, activated carbon, baking soda, among other things:
whitening toothpaste
Gutters and whitening product
Whitening lamp with whitening gel
Whitening strips and pen