Isoprene/Pentadiene Copolymer

INCI: ISOPRENE/PENTADIENE COPOLYMER

CAS Number
Not uniquely assigned (elastomeric copolymer family)
Function
Viscosity controlling agent, film former
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” CIR panel concluded 35 styrene/isoprene-type copolymers are safe in current practices of use

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Copolymer is permitted in EU and US; residual monomer levels of isoprene (IARC Group 2B) must be verified to remain below acceptable thresholds.

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Concern Level: Moderate

Frequently Asked Questions

Is Isoprene/Pentadiene Copolymer safe in cosmetics?

Copolymer is permitted in EU and US; residual monomer levels of isoprene (IARC Group 2B) must be verified to remain below acceptable thresholds. The EU classifies Isoprene/Pentadiene Copolymer as "permitted". Safety rating: GOOD.

Is Isoprene/Pentadiene Copolymer allowed in the EU?

Isoprene/Pentadiene Copolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Isoprene/Pentadiene Copolymer do in cosmetics?

Isoprene/Pentadiene Copolymer functions as: Viscosity controlling agent, film former. It is classified as a cosmetic ingredient in our database. CAS number: Not uniquely assigned (elastomeric copolymer family).

What is the Margin of Safety for Isoprene/Pentadiene 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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