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Hair Conditioning

POLYQUATERNIUM-66

Updated
72

Safety score · 0–100

Fine

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

About

A cationic conditioning polymer in the polyquaternium family. Smooths hair and reduces static. Generally low-risk at cosmetic levels; eye irritation possible in concentrate.

Function

HAIR CONDITIONINGHAIR FIXING

Skin benefits

  • Hair-conditioning film former
  • Antistatic
  • Improves wet combing

Known concerns

  • Cationic polymer — possible eye irritation
  • Limited cosmetic safety dossier

References

EU

EU CosIng database

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

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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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 72
BIS(C13-15 ALKOXY) PG-AMODIMETHICONE
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 72
BIS-AMINOPROPYL DIMETHICONE
Hair Conditioning

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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.