PEG-4 PEG-12 Dimethicone

INCI: PEG-4 PEG-12 DIMETHICONE

CAS Number
Not assigned as single CAS (silicone–PEG copolymer mixture)
Function
Skin Conditioning; Surfactant – Emulsifying (silicone copolyol)
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes CIR-reviewed (dimethicone copolyols group); 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

PEG segments may contain 1,4-Dioxane residues; verify cyclotetrasiloxane (D4) and cyclopentasiloxane (D5) residuals per EU SVHC limits.

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Concern Level: Low

Regulatory Flags

peg-ingredient

Frequently Asked Questions

Is PEG-4 PEG-12 Dimethicone safe in cosmetics?

PEG segments may contain 1,4-Dioxane residues; verify cyclotetrasiloxane (D4) and cyclopentasiloxane (D5) residuals per EU SVHC limits. The EU classifies PEG-4 PEG-12 Dimethicone as "permitted". Safety rating: GOOD.

Is PEG-4 PEG-12 Dimethicone allowed in the EU?

PEG-4 PEG-12 Dimethicone EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does PEG-4 PEG-12 Dimethicone do in cosmetics?

PEG-4 PEG-12 Dimethicone functions as: Skin Conditioning; Surfactant – Emulsifying (silicone copolyol). It is classified as a cosmetic ingredient in our database. CAS number: Not assigned as single CAS (silicone–PEG copolymer mixture).

What is the Margin of Safety for PEG-4 PEG-12 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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