Bis-PEG-1 Dimethicone

INCI: BIS-PEG-1 DIMETHICONE

CAS Number
Not publicly assigned in CosIng
Function
Hair Conditioning, Plasticiser, Skin Conditioning, Surfactant - Cleansing
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes CIR reviewed dimethicone copolyols (including Bis-PEG variants) โ€” Final Report 12/2014: Safe in the 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
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

PEG moiety may contain trace 1,4-dioxane and ethylene oxide contamination from ethoxylation. Low PEG count (1 mol EO) reduces but does not eliminate this risk. Safety assessment supports PEG safety in cosmetics.

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Concern Level: Low

Regulatory Flags

peg-ingredient

Frequently Asked Questions

Is Bis-PEG-1 Dimethicone safe in cosmetics?

PEG moiety may contain trace 1,4-dioxane and ethylene oxide contamination from ethoxylation. Low PEG count (1 mol EO) reduces but does not eliminate this risk. Safety assessment supports PEG safety in cosmetics. The EU classifies Bis-PEG-1 Dimethicone as "permitted". Safety rating: GOOD.

Is Bis-PEG-1 Dimethicone allowed in the EU?

Bis-PEG-1 Dimethicone EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Bis-PEG-1 Dimethicone do in cosmetics?

Bis-PEG-1 Dimethicone functions as: Hair Conditioning, Plasticiser, Skin Conditioning, Surfactant - Cleansing. It is classified as a cosmetic ingredient in our database. CAS number: Not publicly assigned in CosIng.

What is the Margin of Safety for Bis-PEG-1 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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