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 Related Posts Weekly Voice Federal Register (FR) Notices, August 5, 2022 Aug 3, 2022 Weekly Voice House of Representatives Leaves for August Recess; Democrats’ Reconciliation Bill Spurs Cautious Optimism Aug 2, 2022 Podcast CHPA Chat - At the Pharmacy Counter: An Emerging Intersection Between Pharmacists and Self-Care Jul 25, 2022