Isoprene/MA/Methoxy PEG-40 Copolymer

INCI: ISOPRENE/MA/METHOXY PEG-40 COPOLYMER

CAS Number
Not publicly assigned (proprietary copolymer)
Function
Film former, viscosity controlling agent
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” no CFR prohibition; CIR has reviewed related isoprene copolymers and found them safe as used

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
high

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Residual monomer content (isoprene, maleic anhydride) should be controlled; no published CIR monograph specific to this INCI

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Concern Level: Moderate

Regulatory Flags

peg-ingredient

Frequently Asked Questions

Is Isoprene/MA/Methoxy PEG-40 Copolymer safe in cosmetics?

Residual monomer content (isoprene, maleic anhydride) should be controlled; no published CIR monograph specific to this INCI The EU classifies Isoprene/MA/Methoxy PEG-40 Copolymer as "permitted". Safety rating: GOOD.

Is Isoprene/MA/Methoxy PEG-40 Copolymer allowed in the EU?

Isoprene/MA/Methoxy PEG-40 Copolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Isoprene/MA/Methoxy PEG-40 Copolymer do in cosmetics?

Isoprene/MA/Methoxy PEG-40 Copolymer functions as: Film former, viscosity controlling agent. It is classified as a cosmetic ingredient in our database. CAS number: Not publicly assigned (proprietary copolymer).

What is the Margin of Safety for Isoprene/MA/Methoxy PEG-40 Copolymer?

not established 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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