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Octadecene

CAS 27070-58-2

Concern score

Not assessed — no hazard data yet.

Octadecene in plain language

What it is

Also known as 1-Octadecene · Linear octadecene · octadec-1-ene

What it does

Used in cosmetics as a solvent and a thickener.

  • Solvent
  • Viscosity controlling
  • Thickener
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. Octadecene appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • EUCosIngActiveListed in CosIng inventory for cosmetic use.
    • Listed in CosIng inventory for cosmetic use.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 35 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Solvent, Viscosity modifier.
    • EPA CPDat observed this chemical in 35 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Solvent, Viscosity modifier.Source →

Expert safety opinions

No expert opinion on file for Octadecene. 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 Octadecene 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 October 2013

    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

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Where it has been recorded

How often EPA CPDat has listed Octadecene in a product composition. These are source records, not Greenveil catalog products.

Source records

35

Named organisations

5

Personal care

Typical roles

SolventViscosity controllingThickener
See products using Octadecene →

Catalog

Found in these products

Cosmetic and personal-care products that list Octadecene are shown first. Their ingredient lists include Octadecene; each product's own rating depends on its whole formula, so it is shown on the product page, not here.