PEG-8 Methicone

INCI: PEG-8 METHICONE

CAS Number
Not a single CAS (silicone-PEG copolymer class)
Function
Hair Conditioning; Skin Conditioning; Emulsifier
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes CIR reviewed polyoxyalkylene siloxane copolymers: Safe in present practices of use and concentration

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Contains potential 1,4-dioxane residuals and cyclic siloxane impurities (D4/D5); D4 is SVHC under EU REACH restricted to <0.1% w/w in wash-off products; ocular irritation decreases with increasing molecular weight.

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Concern Level: Moderate

Regulatory Flags

peg-ingredient

Frequently Asked Questions

Is PEG-8 Methicone safe in cosmetics?

Contains potential 1,4-dioxane residuals and cyclic siloxane impurities (D4/D5); D4 is SVHC under EU REACH restricted to <0.1% w/w in wash-off products; ocular irritation decreases with increasing molecular weight. The EU classifies PEG-8 Methicone as "permitted". Safety rating: GOOD.

Is PEG-8 Methicone allowed in the EU?

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

What does PEG-8 Methicone do in cosmetics?

PEG-8 Methicone functions as: Hair Conditioning; Skin Conditioning; Emulsifier. It is classified as a cosmetic ingredient in our database. CAS number: Not a single CAS (silicone-PEG copolymer class).

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

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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