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  • industrial

Carboxybutyl chitosan

CAS 235783-75-2

Concern score

Not assessed — no hazard data yet.

Carboxybutyl chitosan in plain language

What it is

Also known as Chitosan, carboxybutyl ether (9CI)

What it does

Used in cosmetics as a skin-conditioning agent, a hair conditioner and a film former.

  • Skin conditioning
  • Hair conditioning
  • Film forming
  • Viscosity controlling
  • Thickener
  • Film former
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. Carboxybutyl chitosan appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • EUCosIngActiveChitosan, N-(carboxybutyl)
  • USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Film former, Softener and conditioner, Viscosity modifier.
    • EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Film former, Softener and conditioner, Viscosity modifier.Source →

Expert safety opinions

No expert opinion on file for Carboxybutyl chitosan. 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 Carboxybutyl chitosan 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 2019-12-20

    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 Carboxybutyl chitosan in a product composition. These are source records, not Greenveil catalog products.

Named organisations

1

Typical roles

Skin conditioningHair conditioningFilm formingViscosity controllingThickenerFilm former
See products using Carboxybutyl chitosan →