THE LABEL FILES · Toothpaste
What's Actually in Your Toothpaste
Your whitening toothpaste gets its color from a pigment the EU banned from food, and you swallow some every morning.
In 2022 the European Union banned titanium dioxide from all food, after its own scientists said they could not rule out that it damages DNA. It's the white pigment that makes whitening toothpaste look bright, purely cosmetic, no benefit to your teeth, and you swallow a fraction of it every time you brush. In the US it's still in Crest and Colgate. That's the gap this category runs on.
The pigment Europe pulled from food
Titanium dioxide does nothing for your teeth, it's there to make the paste look white. The EU banned it as a food additive (E171) over genotoxicity concerns it couldn't resolve, and in 2024 its scientific committee extended that doubt to oral products like toothpaste. The FDA has made no such call. We rate it AVOID: a swallowed cosmetic pigment with an unresolved DNA-damage question and zero upside.
What was in the tube you trusted
For years Colgate Total's active ingredient was triclosan, an endocrine-disrupting antibacterial the FDA later banned from soaps and the EU restricted. Around 2019 Colgate quietly reformulated it out. It's gone from the current tube, but it's worth knowing what you brushed with for a decade, and how long the gap was between the science and the change.
Fluoride: not the conspiracy, but mind the dose
We're not going to tell you fluoride is poison, topical fluoride genuinely prevents cavities, and the anti-fluoride panic is its own kind of slop. The honest caveat is dose and who's swallowing it: small children ingest up to a third of the paste they brush with, which is exactly why there's a warning on the tube and a pea-sized recommendation for kids. Spit, don't swallow, and supervise children. That's the whole story.
The teardowns
Colgate Total SF Clean Mint →
Titanium dioxide was pulled from European food in 2022 over genotoxicity. It remains in Colgate Total as a colorant you partly swallow with every brush.
Crest 3D White PRO Advanced Whitening →
The bright white color, and the bright white look, both come from titanium dioxide, the additive the EU pulled from food in 2022 for genotoxicity you can’t rule out.
Sensodyne Pronamel Daily Protection →
SLS-free and triclosan-free, Pronamel runs notably cleaner than most mass-market toothpastes. Titanium dioxide is still present; the EU’s genotoxicity review is ongoing.
The ingredients, graded
Editorial analysis of publicly listed labels and regulatory/peer-reviewed sources. Not medical advice. Verdicts are evidence-graded, we flag what the data flags and clear what it clears.