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Titanium dioxide (E171)
Titanium dioxide is a colour (white) used in was used in sweets, gum and icings.. EFSA has published no numeric acceptable daily intake for it.
NOT permitted as a food additive in the EU since 2022. It may still appear in medicines and cosmetics.
What it does
NOT permitted as a food additive in the EU since 2022. It may still appear in medicines and cosmetics.
Where you meet it
Was used in sweets, gum and icings.
This page describes the general scientific position. Allergies and sensitivities are individual: if your body disagrees with an additive, avoid it regardless of any ADI.
Sources: EFSA — food additives re-evaluations · Open Food Facts — additives taxonomy · checked 2026-09-03
Frequently asked questions
What is Titanium dioxide (E171)?
Colour (white). NOT permitted as a food additive in the EU since 2022. It may still appear in medicines and cosmetics. It is used in Was used in sweets, gum and icings.
How much titanium dioxide is safe?
EFSA published no numeric ADI, which usually means the substance is so benign that no limit needed to be set — or that intake is self-limiting. The assessment itself is still a full safety evaluation.
Should I avoid titanium dioxide?
For a healthy adult there is no reason to avoid it at typical intakes. If you have a diagnosed sensitivity or a health condition, your clinician's advice is the one that counts.
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