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Hair Conditioning

POLYQUATERNIUM-15

CAS 35429-19-7 / 67504-24-9
50

Safety score · 0–100

Moderate

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

A cationic conditioning polymer. The related quaternium-15 monomer is a formaldehyde releaser and frequent contact allergen, so this material is best at very low rinse-off levels.

Function

ANTISTATICFILM FORMINGHAIR FIXING

Skin benefits

  • Anti-static and conditioning polymer
  • Improves combability and feel
  • Useful at low cosmetic levels

Known concerns

  • Quaternium-15 monomer is a known formaldehyde releaser
  • Documented contact allergen and skin sensitizer
  • CIR limits use to 0.2% due to sensitization

References

EU

EU CosIng database

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

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PEG-8 COCAMINE
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Check your shelf

Find POLYQUATERNIUM-15 in your products.

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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.