Perfluorooctylethyl Trisiloxane

INCI: PERFLUOROOCTYLETHYL TRISILOXANE

CAS Number
Not confirmed from available sources
Function
Skin conditioning, spreading agent, surface modifier
Safety Rating
POOR

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes No specific FDA restriction; under MoCRA PFAS assessment

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

PFOA precursor with potential D4/D5 cyclic siloxane impurity concerns; France banned effective January 2026.

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Concern Level: High

Frequently Asked Questions

Is Perfluorooctylethyl Trisiloxane safe in cosmetics?

PFOA precursor with potential D4/D5 cyclic siloxane impurity concerns; France banned effective January 2026. The EU classifies Perfluorooctylethyl Trisiloxane as "permitted". Safety rating: POOR.

Is Perfluorooctylethyl Trisiloxane allowed in the EU?

Perfluorooctylethyl Trisiloxane EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Perfluorooctylethyl Trisiloxane do in cosmetics?

Perfluorooctylethyl Trisiloxane functions as: Skin conditioning, spreading agent, surface modifier. It is classified as a cosmetic ingredient in our database. CAS number: Not confirmed from available sources.

What is the Margin of Safety for Perfluorooctylethyl Trisiloxane?

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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