Skip to content

Hair Conditioning

POLYQUATERNIUM-33

CAS 69418-26-4 Updated
60

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

A positively charged acrylamide-based conditioning polymer for hair. The polymer itself is well-tolerated, but residual acrylamide monomer (a probable carcinogen) is the regulatory flag and is capped under EU rules.

Function

ANTISTATICFILM FORMING

Skin benefits

  • Reduces static and frizz on hair
  • Forms light conditioning film
  • Improves wet and dry combability
  • Anti-static effect

Known concerns

  • Cationic polymer — eye irritation potential at higher levels
  • Residual acrylamide monomer if poorly purified
  • EU limits residual acrylamide content
  • Quaternary ammonium can sensitise rare individuals

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

Related hair conditionings

60
BEHENDIMONIUM ETHYL STEARYL PHOSPHATE
Hair Conditioning
 60
BIOTA ORIENTALIS LEAF EXTRACT
Hair Conditioning
 60
BIS-LAURYLDIMONIUMHYDROXYETHYL BROMIDE (PEG-220/SMDI COPOLYMER)
Hair Conditioning
 60
C10-40 ISOALKYLAMIDOPROPYLETHYLDIMONIUM ETHOSULFATE
Hair Conditioning
 60
CETEARYL BETAINATE MESYLATE
Hair Conditioning
 60
CETYLDIMETHYLAMINE HYDROLYZED HEMPSEEDATE
Hair Conditioning
 60
COCO-ETHYLDIMONIUM ETHOSULFATE
Hair Conditioning
 60
DIAMINOPYRIMIDINE OXIDE
Hair Conditioning

Check your shelf

Find POLYQUATERNIUM-33 in your products.

Scan any cosmetic product with LuxSense to see if it contains POLYQUATERNIUM-33 and get a full ingredient breakdown with safety scores.

This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.