PEG-8 Cetyl Dimethicone

INCI: PEG-8 CETYL DIMETHICONE

CAS Number
Not uniquely assigned (cetyl-modified PEG-silicone copolymer)
Function
Emulsifier (W/Si type), skin conditioning, hair conditioning
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not specifically restricted by FDA; included in CIR polysiloxanes/dimethicone group assessment

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

Cyclotetrasiloxane (D4) and cyclopentasiloxane (D5) trace impurities may be present; verify supplier COA for cyclic siloxane residuals and standard ethoxylation impurity controls.

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Concern Level: Low

Regulatory Flags

peg-ingredient

Frequently Asked Questions

Is PEG-8 Cetyl Dimethicone safe in cosmetics?

Cyclotetrasiloxane (D4) and cyclopentasiloxane (D5) trace impurities may be present; verify supplier COA for cyclic siloxane residuals and standard ethoxylation impurity controls. The EU classifies PEG-8 Cetyl Dimethicone as "permitted". Safety rating: GOOD.

Is PEG-8 Cetyl Dimethicone allowed in the EU?

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

What does PEG-8 Cetyl Dimethicone do in cosmetics?

PEG-8 Cetyl Dimethicone functions as: Emulsifier (W/Si type), skin conditioning, hair conditioning. It is classified as a cosmetic ingredient in our database. CAS number: Not uniquely assigned (cetyl-modified PEG-silicone copolymer).

What is the Margin of Safety for PEG-8 Cetyl Dimethicone?

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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