PEG-6 Diisostearate

INCI: PEG-6 DIISOSTEARATE

CAS Number
68955-98-6 / 9005-08-7 (generic PEG diester)
Function
Surfactant — emulsifying agent
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes CIR (2015) — safe in cosmetics when formulated to be non-irritating

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Contains potential 1,4-dioxane and ethylene oxide residues; peroxide formation possible on aging; requires non-irritating formulation.

⚠️
Concern Level: Moderate

Regulatory Flags

peg-ingredient

Frequently Asked Questions

Is PEG-6 Diisostearate safe in cosmetics?

Contains potential 1,4-dioxane and ethylene oxide residues; peroxide formation possible on aging; requires non-irritating formulation. The EU classifies PEG-6 Diisostearate as "permitted". Safety rating: GOOD.

Is PEG-6 Diisostearate allowed in the EU?

PEG-6 Diisostearate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does PEG-6 Diisostearate do in cosmetics?

PEG-6 Diisostearate functions as: Surfactant — emulsifying agent. It is classified as a cosmetic ingredient in our database. CAS number: 68955-98-6 / 9005-08-7 (generic PEG diester).

What is the Margin of Safety for PEG-6 Diisostearate?

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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