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QUATERNIUM-75

CAS 138673-66-2

Concern score

Not assessed — no hazard data yet.

QUATERNIUM-75 in plain language

What it is

Also known as Condicare ct · Finquat ct

What it does

Used in cosmetics as a hair conditioner and an antistatic agent.

  • Hair conditioning
  • Antistatic
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. QUATERNIUM-75 appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • EUCosIngActiveQuaternary ammonium compounds, ethyl(2-hydroxy-C14-16-alkyl)bis[3-(ethyldimethylammonio)propyl]-, ethyl sulfates (salts) (1:3)
    • Quaternary ammonium compounds, ethyl(2-hydroxy-C14-16-alkyl)bis[3-(ethyldimethylammonio)propyl]-, ethyl sulfates (salts) (1:3)Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 14 composition records across product categories including Personal care.
    • EPA CPDat observed this chemical in 14 composition records across product categories including Personal care.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as mixture.
    • openFDA substance registry classifies this ingredient as mixture.Source →

Expert safety opinions

No expert opinion on file for QUATERNIUM-75. 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 QUATERNIUM-75 yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

5 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →
  • EPA Chemical and Products Database

    exposure · updated November 2014

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    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 QUATERNIUM-75 in a product composition. These are source records, not Greenveil catalog products.

Source records

14

Named organisations

4

Personal care

Typical roles

Hair conditioningAntistatic
See products using QUATERNIUM-75 →