Dicyclopentadiene/Isopentene/Isoprene Copolymer

INCI: DICYCLOPENTADIENE/ISOPENTENE/ISOPRENE COPOLYMER

CAS Number
Not assigned (polymer — no single CAS)
Function
Binding agent, depilatory agent, plasticizer
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — no FDA prohibition; not a color additive; general cosmetic use allowed under FD&C Act §601

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 (dicyclopentadiene is a skin/respiratory irritant); no CIR or SCCS review; CPSR would require supplier certificate of purity and residual monomer limits.

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Concern Level: Moderate

Frequently Asked Questions

Is Dicyclopentadiene/Isopentene/Isoprene Copolymer safe in cosmetics?

Residual monomer content (dicyclopentadiene is a skin/respiratory irritant); no CIR or SCCS review; CPSR would require supplier certificate of purity and residual monomer limits. The EU classifies Dicyclopentadiene/Isopentene/Isoprene Copolymer as "permitted". Safety rating: MODERATE.

Is Dicyclopentadiene/Isopentene/Isoprene Copolymer allowed in the EU?

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

What does Dicyclopentadiene/Isopentene/Isoprene Copolymer do in cosmetics?

Dicyclopentadiene/Isopentene/Isoprene Copolymer functions as: Binding agent, depilatory agent, plasticizer. It is classified as a cosmetic ingredient in our database. CAS number: Not assigned (polymer — no single CAS).

What is the Margin of Safety for Dicyclopentadiene/Isopentene/Isoprene 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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