https://www.efsa.europa.eu/en/news/titanium-dioxide-e171-no-longer-considered-safe-when-used-food-additive https://www.efsa.europa.eu/en/news/titanium-dioxide-e

https://www.efsa.europa.eu/en/news/titanium-dioxide-e171-no-longer-considered-safe-when-used-food-additive https://www.efsa.europa.eu/en/news/titanium-dioxide-e171-no-... "Although the evidence for general toxic effects was not conclusive, on the basis of the new data and strengthened methods we could not rule out a concern for genotoxicity and consequently we could not establish a safe level for daily intake of the food additive." So EU took the "better safe than sorry" approach which actually is sensible.