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 Regulation of OTC Medicines Press Releases and Statements CHPA Congratulates Dr. Doug Bierer as First Recipient of the William Cooley Regulatory & Scientific Affairs Career Achievement Award Sep 18, 2024 Press Releases and Statements Health In Hand Foundation Announces 2024 U.S. Self-Care Marketing Awards Finalists Sep 9, 2024