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Ingredient · Colorant

Titanium Dioxide (food grade)

Concerning · 3/10, higher is cleaner

E-number E171

How we reached this

EU BANNED in food as of 2022 — EFSA concluded genotoxicity could not be ruled out. Still permitted in US foods + many medicines.

Sources · 2

Regulatory position

Canadaunder review
European UnionBANNED in food as of 2022 (E171)
United StatesPermitted (21 CFR 73.575)
NotesEFSA 2021 opinion: genotoxicity could not be ruled out. EU removed E171 from food in 2022. US retains GRAS-equivalent. | EFSA 2021 opinion: genotoxicity could not be ruled out. EU removed E171 from food in 2022. US retains GRAS-equivalent.

Also listed as

E171TiO2Titanium Dioxide (sunscreen grade)

Products containing this · 3

About this rating

Ratings run 1–10, higher is cleaner, and are set editorially against the sources above — see the methodology page for how an ingredient rating becomes part of a product score. Last reviewed 2026-05-23.