All Knowledge & Insights By Date

The Scientific Committee on Consumer Safety (SCCS) announced on September 18, 2025, that the European Commission (EC) has requested a scientific opinion on the safety of titanium dioxide (nano and non-nano) in cosmetic products. As reported in our May 24, 2024, blog item, on May 23, 2024, SCCS published a document entitled “Scientific Advice on Titanium dioxide (TiO2).” The document noted that the available evidence was not sufficient to exclude the genotoxicity potential of almost all of...

On July 23, 2025, Environment and Climate Change Canada (ECCC) announced the release of the Plan of Priorities, a multi-year plan that outlines upcoming priorities for the assessment of chemical substances. The Plan includes a list of more than 30 substances and substance groups prioritized for assessment and includes new or expanded activities to help assess, control, and manage risks posed by substances. ECCC states that in selecting and prioritizing these substances, considerations included:...

On August 1, 2025, the European Court of Justice (ECJ) issued a judgment upholding the 2022 decision of the General Court annulling the 2019 harmonized classification and labeling of titanium dioxide as a carcinogenic substance by inhalation in certain powder forms. As reported in our December 6, 2022, memorandum, the court annulled the European Commission’s (EC) decision to classify titanium dioxide as a suspected human carcinogen. The French government and the EC appealed the decision,...

On February 6, 2025, the European Union (EU) Advocate General (EU AG) recommended that the European Court of Justice (ECJ) overturn the 2022 decision of the General Court annulling the 2019 harmonized classification and labeling of titanium dioxide as a carcinogenic substance by inhalation in certain powder forms. As reported in our December 6, 2022, memorandum, the court annulled the European Commission’s (EC) decision to classify titanium dioxide as a suspected human carcinogen. The French...

On October 5, 2024, the Minister of the Environment announced in the Canada Gazette publication of a proposed plan of priorities for the assessment of chemical substances. Under the 2023 amendments to the Canadian Environmental Protection Act, 1999 (CEPA), the Minister of the Environment and the Minister of Health are required to “develop, consult on and publish a plan with timelines” by June 2025. The proposed list of prioritized substances for assessment and the rationales for priorities...

On June 12, 2024, the U.S. District Court for the Eastern District of California (District Court) issued an Order granting a preliminary injunction brought by the Personal Care Products Council (PCPC), which alleged that the California Office of Environmental Health Hazard Assessment’s (OEHHA) requirement for warnings under Proposition 65 (Prop 65) related to titanium dioxide in cosmetics and personal care products violated the First Amendment. The Personal Care Products Council v. Bonta, No....

The National Institute for Occupational Safety and Health (NIOSH) continues to celebrate the 20th anniversary of its Nanotechnology Research Center (NTRC). NIOSH highlights NTRC activities in the risk assessment of engineered nanomaterials in a June 3, 2024, NIOSH Science blog item entitled “NIOSH Risk Assessment of Engineered Nanomaterials.” The item notes that NTRC risk assessments were used in developing NIOSH recommended exposure limits (REL) for three different classes of nanomaterials...

The European Commission’s (EC) Scientific Committee on Consumer Safety (SCCS) began a public consultation on May 27, 2024, on its preliminary opinion on a new coating for titanium dioxide (nano form). According to the preliminary opinion, SCCS concluded that: Considering all the provided information, SCCS is of the view that there are a number of uncertainties and data gaps that do not allow a conclusion on the safety of titanium dioxide (nano) coated with a combination of six percent by...

On May 23, 2024, the European Commission’s (EC) Scientific Committee on Consumer Safety (SCCS) published a document entitled “Scientific Advice on Titanium dioxide (TiO2).” The document includes the following questions from the EC and SCCS’s conclusions: Q:In light of the European Food Safety Authority’s (EFSA) opinion on genotoxicity concerns for E171, does SCCS consider titanium dioxide safe in oral cosmetic products? A:From the provided information, SCCS notes that the titanium...

On April 29, 2024, the German Environment Agency (UBA) posted an item entitled “ZnO nanoforms - REACH substance evaluation: environmental aspects.” The Federal Office for Chemicals, the Federal Institute for Risk Assessment (BfR), and UBA have been conducting a Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) substance evaluation on the registered nanoforms of zinc oxide since 2017. According to the item, based on the studies submitted by the registrants, UBA has...