The color science behind purple toothpaste that every TikTok ad is not telling you
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MSNThe Style Theorists
The color science behind purple toothpaste that every TikTok ad is not telling you
The reason purple toothpaste appears to work on yellowed teeth is the same reason purple shampoo works on brassy blonde hair - complementary color theory, not chemistry. Tannins from tea and coffee stain enamel yellow, and a purple coating placed over yellow creates a visually neutral result that reads as white to the eye. Hi Smile's product is ...
3 months ago
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