PEG-90 Diisostearate

INCI: PEG-90 DIISOSTEARATE

CAS Number
52668-97-0 (PEG diisostearate family)
Function
Surfactant – Emulsifying
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted for cosmetic use; PEG diesters class reviewed by CIR

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

1,4-Dioxane residuals; ensure isostearic acid source is not contaminated

⚠️
Concern Level: Low

Regulatory Flags

peg-ingredient

Frequently Asked Questions

Is PEG-90 Diisostearate safe in cosmetics?

1,4-Dioxane residuals; ensure isostearic acid source is not contaminated The EU classifies PEG-90 Diisostearate as "permitted". Safety rating: GOOD.

Is PEG-90 Diisostearate allowed in the EU?

PEG-90 Diisostearate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does PEG-90 Diisostearate do in cosmetics?

PEG-90 Diisostearate functions as: Surfactant – Emulsifying. It is classified as a cosmetic ingredient in our database. CAS number: 52668-97-0 (PEG diisostearate family).

What is the Margin of Safety for PEG-90 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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