PEG-8 Sesquioleate

INCI: PEG-8 SESQUIOLEATE

CAS Number
9004-96-0 (generic PEG oleate ester)
Function
Surfactant – emulsifying; solubilizer
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Not restricted by FDA; CIR reviewed PEG esters — safe in present practices of use when formulated to be non-irritating

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

May contain 1,4-dioxane and ethylene oxide residuals; avoid use on compromised skin barrier

⚠️
Concern Level: Low

Regulatory Flags

peg-ingredient

Frequently Asked Questions

Is PEG-8 Sesquioleate safe in cosmetics?

May contain 1,4-dioxane and ethylene oxide residuals; avoid use on compromised skin barrier The EU classifies PEG-8 Sesquioleate as "permitted". Safety rating: GOOD.

Is PEG-8 Sesquioleate allowed in the EU?

PEG-8 Sesquioleate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does PEG-8 Sesquioleate do in cosmetics?

PEG-8 Sesquioleate functions as: Surfactant – emulsifying; solubilizer. It is classified as a cosmetic ingredient in our database. CAS number: 9004-96-0 (generic PEG oleate ester).

What is the Margin of Safety for PEG-8 Sesquioleate?

adequate 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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