Silicon/Titanium/Cerium/Zinc Oxides

INCI: SILICON/TITANIUM/CERIUM/ZINC OXIDES

CAS Number
No single CAS assigned (composite material obtained by calcination of SiO₂, TiO₂, CeO₂, ZnO)
Function
Bulking, Opacifying
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status restricted
🇺🇸 US Status permitted
US Notes Permitted for cosmetic use; individual component oxides (TiO₂, ZnO) are approved colorants/sunscreen actives under FDA monograph

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

TiO₂ component: EU classified as suspected carcinogen via inhalation (CMR Cat 2); nano-form restrictions may apply under EU Reg 1223/2009 Art. 16; ensure particle size documentation

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Concern Level: Moderate

Frequently Asked Questions

Is Silicon/Titanium/Cerium/Zinc Oxides safe in cosmetics?

TiO₂ component: EU classified as suspected carcinogen via inhalation (CMR Cat 2); nano-form restrictions may apply under EU Reg 1223/2009 Art. 16; ensure particle size documentation The EU classifies Silicon/Titanium/Cerium/Zinc Oxides as "restricted". Safety rating: GOOD.

Is Silicon/Titanium/Cerium/Zinc Oxides allowed in the EU?

Silicon/Titanium/Cerium/Zinc Oxides EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does Silicon/Titanium/Cerium/Zinc Oxides do in cosmetics?

Silicon/Titanium/Cerium/Zinc Oxides functions as: Bulking, Opacifying. It is classified as a cosmetic ingredient in our database. CAS number: No single CAS assigned (composite material obtained by calcination of SiO₂, TiO₂, CeO₂, ZnO).

What is the Margin of Safety for Silicon/Titanium/Cerium/Zinc Oxides?

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.

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