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Hair Conditioning

SILICONE QUATERNIUM-29

68

Safety score · 0–100

Fine

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

A silicone-quat hair conditioner — combines silicone smoothness with a positive charge that sticks to damaged hair. Well tolerated in finished product; concentrate is eye-irritating.

Function

HAIR CONDITIONING

Skin benefits

  • Cationic conditioning
  • Detangling
  • Smooth feel
  • Hair substantivity

Known concerns

  • Eye irritation in concentrate
  • Limited public CIR dossier
  • Cationic sensitisation possible
  • Not biodegradable

References

EU

EU CosIng database

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

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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.