Comments to OEHHA: Prioritization of Chemicals (Titanium Dioxide Nanoparticles) Share page: These comments address titanium dioxide nanoparticles, which serve an important function in numerous consumer products, including sunscreens. Download Document Issues: OTC Medicines Sunscreen Other Issues Proposition 65 Titanium Dioxide Related Posts Press Releases and Statements CHPA Applauds Bipartisan Bill to Streamline Access to Next-Generation Sunscreens in the U.S. Jun 4, 2025 Comments Comments Regarding Amending OTC Monograph M012: Cold, Cough, Allergy, Bronchodilator, and Antiasthmatic Drug Products for Human Use May 7, 2025 Letter Letter Regarding Office of Management & Budget Request for Information: Deregulation May 12, 2025