Fragrance avoidance
Nothing to weigh for this context yet.
We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.
- beauty
- industrial
Cerium oxide
CAS 11129-18-3
Also registered as 1 other CAS number
2305691-65-8
Concern score
Not assessed — no hazard data yet.
Cerium oxide in plain language
Also known as bis(cerium(3+));tris(oxygen(2-)) · Cerous oxide · Ceroxid · DB-319115 · Mirek A · Q900883
Show all 11 names
Rhodite 19A · U 15 · U 15 (oxide) · oxido de cerio · oxyde de cerium
Used in consumer products as a colourant and an opacifier.
- Colourant
- Opacifier
- We haven't assessed a concern score for this ingredient yet.
Regulation
No restrictions found. Cerium oxide appears in these published regulatory listings.
- Found in consumer products
- Beauty
- Industrial
USEPAcommercial use observedEPA CPDat observed this chemical in 26 composition records across product categories including Laboratory supplies, Construction and building materials, Raw materials. EPA CPDat classifies this chemical for functional uses including Opacifer, Pigment, UV stabilizer.
- EPA CPDat observed this chemical in 26 composition records across product categories including Laboratory supplies, Construction and building materials, Raw materials. EPA CPDat classifies this chemical for functional uses including Opacifer, Pigment, UV stabilizer.Source →
Expert safety opinions
No expert opinion on file for Cerium oxide. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.
SCCS
EU Scientific Committee on Consumer Safety
No SCCS opinion on file.
CIR
Cosmetic Ingredient Review (US expert panel)
No CIR safety assessment on file.
Evidence & sources
No graded research studies for Cerium oxide yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
No signal in this context
Where it has been recorded
How often EPA CPDat has listed Cerium oxide in a product composition. These are source records, not Greenveil catalog products.
Source records
26
Named organisations
6
Laboratory suppliesConstruction and building materialsRaw materialsElectronics/small appliancesPersonal care
Typical roles
ColourantOpacifier