Aluminum Zinc Oxide

INCI: ALUMINUM ZINC OXIDE

CAS Number
Verify via CosIng — not confirmed in retrieved sources
Function
Dye; Pigment
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes ZnO is FDA GRAS as nutrient and approved colorant under 21 CFR 73. The composite ingredient is permitted in cosmetics.

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

If nano-sized, must comply with EU nano-notification requirements and SCCS nano-ZnO opinions. Inhalation exposure restriction applies — not for use in spray products where lung exposure is possible. Confirm particle size distribution in CoA.

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Concern Level: Low

Frequently Asked Questions

Is Aluminum Zinc Oxide safe in cosmetics?

If nano-sized, must comply with EU nano-notification requirements and SCCS nano-ZnO opinions. Inhalation exposure restriction applies — not for use in spray products where lung exposure is possible. Confirm particle size distribution in CoA. The EU classifies Aluminum Zinc Oxide as "permitted". Safety rating: GOOD.

Is Aluminum Zinc Oxide allowed in the EU?

Aluminum Zinc Oxide EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Aluminum Zinc Oxide do in cosmetics?

Aluminum Zinc Oxide functions as: Dye; Pigment. It is classified as a cosmetic ingredient in our database. CAS number: Verify via CosIng — not confirmed in retrieved sources.

What is the Margin of Safety for Aluminum Zinc 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.

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