PEG-8 Trisiloxane

INCI: PEG-8 TRISILOXANE

CAS Number
27306-78-1
Function
Emollient; emulsifier; wetting agent
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not restricted by FDA; silicone-PEG copolymers reviewed broadly by CIR โ€” safe as used

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Monitor for 1,4-dioxane residuals and D4/D5 cyclosiloxane impurities (potential SVHC in EU); verify supplier CoA. Superspreading properties may enhance penetration of co-formulants.

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Concern Level: Low

Regulatory Flags

peg-ingredient

Frequently Asked Questions

Is PEG-8 Trisiloxane safe in cosmetics?

Monitor for 1,4-dioxane residuals and D4/D5 cyclosiloxane impurities (potential SVHC in EU); verify supplier CoA. Superspreading properties may enhance penetration of co-formulants. The EU classifies PEG-8 Trisiloxane as "permitted". Safety rating: GOOD.

Is PEG-8 Trisiloxane allowed in the EU?

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

What does PEG-8 Trisiloxane do in cosmetics?

PEG-8 Trisiloxane functions as: Emollient; emulsifier; wetting agent. It is classified as a cosmetic ingredient in our database. CAS number: 27306-78-1.

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

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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