PEG/PPG-20/29 Dimethicone

INCI: PEG/PPG-20/29 DIMETHICONE

CAS Number
68937-54-2 (generic class)
Function
Skin-conditioning agent, emollient, emulsifier
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes CIR (2013): safe as used โ€” alkoxy polysiloxanes

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

Higher PPG-29 content increases lipophilicity; potential 1,4-dioxane residual and eye irritation at elevated concentrations.

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Concern Level: Moderate

Regulatory Flags

peg-ingredient

Frequently Asked Questions

Is PEG/PPG-20/29 Dimethicone safe in cosmetics?

Higher PPG-29 content increases lipophilicity; potential 1,4-dioxane residual and eye irritation at elevated concentrations. The EU classifies PEG/PPG-20/29 Dimethicone as "permitted". Safety rating: GOOD.

Is PEG/PPG-20/29 Dimethicone allowed in the EU?

PEG/PPG-20/29 Dimethicone EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does PEG/PPG-20/29 Dimethicone do in cosmetics?

PEG/PPG-20/29 Dimethicone functions as: Skin-conditioning agent, emollient, emulsifier. It is classified as a cosmetic ingredient in our database. CAS number: 68937-54-2 (generic class).

What is the Margin of Safety for PEG/PPG-20/29 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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