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Hair Conditioning

POLYQUATERNIUM-39

CAS 25136-75-8
72

Safety score · 0–100

Fine

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

A cationic conditioning polymer used in hair care to reduce static and improve combability. Generally safe at typical use levels; can mildly irritate eyes in rinse-off use.

Function

ANTISTATICFILM FORMING

Skin benefits

  • Hair and skin conditioning polymer
  • Reduces static and frizz
  • Improves wet/dry combability
  • Substantive to keratin

Known concerns

  • Cationic polymers can build up on hair
  • Mild eye irritation potential
  • Quaternary ammonium chemistry

References

EU

EU CosIng database

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

Related hair conditionings

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AVOCADAMIDOPROPYL DIMETHYLAMINE
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BABASSUAMIDOPROPYL DIMETHYLAMINE
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BEER
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BEHENOYL PG-TRIMONIUM CHLORIDE
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BIS(C13-15 ALKOXY) PG-AMODIMETHICONE
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 72
BIS-AMINOPROPYL DIMETHICONE
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.