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Cyclohexene, 1-methyl-4-(1-methylethenyl)-, homopolymer

CAS 9003-73-0

Concern score

Not assessed — no hazard data yet.

Cyclohexene, 1-methyl-4-(1-methylethenyl)-, homopolymer in plain language

What it is

On cosmetic ingredient lists it appears as “Polydipentene”.

Also known as Polydipentene · Polylimonene · Polyterpene resin · Terpene polymer · dipentene polymer

What it does

Used in cosmetics as a binder and a thickener.

  • Binding
  • Viscosity controlling
  • Thickener
  • Fragrance
  • Flavouring
Is it a concern?
We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

Regulation

No restrictions found. Cyclohexene, 1-methyl-4-(1-methylethenyl)-, homopolymer appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • EUCosIngActivePolymer of 1,8-paramenthadiene; Cyclohexene, 1-methyl-4-(1-methylethenyl)-, homopolymer
    • Polymer of 1,8-paramenthadiene; Cyclohexene, 1-methyl-4-(1-methylethenyl)-, homopolymerSource →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 1 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Viscosity modifier, Binder, Fragrance.
    • EPA CPDat observed this chemical in 1 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Viscosity modifier, Binder, Fragrance.Source →

Expert safety opinions

No expert opinion on file for Cyclohexene, 1-methyl-4-(1-methylethenyl)-, homopolymer. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

No graded research studies for Cyclohexene, 1-methyl-4-(1-methylethenyl)-, homopolymer yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

3 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →
  • EPA Chemical and Products Database

    exposure · updated February 8, 2019

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Not a strong fit for fragrance avoidance because it carries Fragrance.

Avoid

The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.

Where it has been recorded

How often EPA CPDat has listed Cyclohexene, 1-methyl-4-(1-methylethenyl)-, homopolymer in a product composition. These are source records, not Greenveil catalog products.

Source records

1

Named organisations

5

Typical roles

BindingViscosity controllingThickenerFragranceFlavouring
See products using Cyclohexene, 1-methyl-4-(1-methylethenyl)-, homopolymer →