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 White House Executive Order Prioritizing Lower Drug Costs and Access to Self-Care Apr 17, 2025 Press Releases and Statements CHPA Responds to Section 232 Investigation on Pharmaceuticals Apr 15, 2025 Press Releases and Statements CHPA Commends Lawmakers for Urging FDA to Protect the Rx-OTC-Switch Pathway Apr 11, 2025