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Cucurbiturils

CAS 11118-56-2

Also registered as 4 other CAS numbers

80262-44-8 · 259886-49-2 · 259886-50-5 · 259886-51-6

Concern score

Not assessed — no hazard data yet.

Cucurbiturils in plain language

What it does

Used in cosmetics as an absorbent, a chelating agent and an emulsion stabiliser. Cucurbiturils are cyclic molecules that consist of glycouril units linked by methylene bridges.

  • Absorbent
  • Chelating
  • Emulsion stabilising
  • Film forming
Is it a concern?
We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

What we know about this ingredient

EPA DSSTox provides the canonical identifier, structure, and synonym profile for this chemical.

Regulation

No restrictions found. Cucurbiturils appears in these published regulatory listings.

  • EUCosIngActiveCucurbiturils are cyclic molecules that consist of glycouril units linked by methylene bridges, where n can be 5, 6, 7 or 8.
    • Cucurbiturils are cyclic molecules that consist of glycouril units linked by methylene bridges, where n can be 5, 6, 7 or 8.Source →

Expert safety opinions

No expert opinion on file for Cucurbiturils. 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 Cucurbiturils yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

2 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    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.