01The question
Is Titanium Dioxide safe in mineral sunscreen?
CautionMineral sunscreen
Mineral UV filter that sits on top of skin without penetration. Reef-safe and non-hormonal — a safe alternative to chemical sunscreens in topical use.
02What the research flags
- Nanoparticle form under review for inhalation risk in spray/powder formulations
- EU banned as food additive (E171) in 2022 due to genotoxicity concerns
Regulatory
IARC Group 2B — nanoparticle inhalation risk
03Other mineral sunscreen ingredients on file
04Sources & references
Research disclaimer: Ratings reflect peer-reviewed research and regulatory assessments available at the time of publication, not the dose or formulation of any specific mineral sunscreen product. This is not medical advice.