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Purple toothpaste uses color theory to hide yellow teeth — but does it work?

Purple toothpaste isn't actually whitening your teeth — it's using color theory to cancel out the yellow. Purple sits opposite yellow on the color wheel, so Hismile's "color correcting serum" is ...
USA Today

Sakyproral Makes At-Home Whitening Simpler – New 3-Step Lineup, No App Needed

Featuring the G5Smart electric toothbrush (no app required), ULTRA WHITE purple color-correcting toothpaste, and TRIPLE purple teeth whitening strips designed for comfort. Sakyproral, a routine-first ...