Regulatory Status
For full compliance data across 55 jurisdictions, use the Substance Compliance tool.
Safety Data
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Major flag — if used as UV filter in EU, must be authorized in Annex VI; not currently authorized; rare earth (cerium) component requires careful safety evaluation; no CIR review
Frequently Asked Questions
Is Zinc Cerium Oxide safe in cosmetics?
Major flag — if used as UV filter in EU, must be authorized in Annex VI; not currently authorized; rare earth (cerium) component requires careful safety evaluation; no CIR review The EU classifies Zinc Cerium Oxide as "permitted". Safety rating: MODERATE.
Is Zinc Cerium Oxide allowed in the EU?
Zinc Cerium Oxide EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Zinc Cerium Oxide do in cosmetics?
Zinc Cerium Oxide functions as: UV absorber. It is classified as a cosmetic ingredient in our database. CAS number: Not readily available in CosIng.
What is the Margin of Safety for Zinc Cerium Oxide?
not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.
Compliance Tools
Check Zinc Cerium Oxide compliance across multiple jurisdictions:
Related Ingredients
Is Zinc Cerium Oxide in Your Products?
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free →Analyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Zinc Cerium Oxide in your formulation.