Ceteth-12

INCI: CETETH-12

CAS Number
9004-95-9 (generic polyoxyethylene cetyl ether CAS)
Function
Surfactant – emulsifying, cleansing, solubilizing
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status restricted
🇺🇸 US Status permitted
US Notes CIR-reviewed; safe in present practices of use

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Contains potential 1,4-dioxane and ethylene oxide residuals; formulate to be non-irritating per CIR recommendation.

⚠️
Concern Level: Moderate

Frequently Asked Questions

Is Ceteth-12 safe in cosmetics?

Contains potential 1,4-dioxane and ethylene oxide residuals; formulate to be non-irritating per CIR recommendation. The EU classifies Ceteth-12 as "restricted". Safety rating: MODERATE.

Is Ceteth-12 allowed in the EU?

Ceteth-12 EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does Ceteth-12 do in cosmetics?

Ceteth-12 functions as: Surfactant – emulsifying, cleansing, solubilizing. It is classified as a cosmetic ingredient in our database. CAS number: 9004-95-9 (generic polyoxyethylene cetyl ether CAS).

What is the Margin of Safety for Ceteth-12?

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.

📱

Is Ceteth-12 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 Ceteth-12 in your formulation.