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Hair Conditioning

SILICONE QUATERNIUM-31

Updated
70

Safety score · 0–100

Fine

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

About

A silicone-quaternary hybrid for hair conditioning — gives slip and reduces static while bonding to fibre. Well tolerated in rinse-off; usual silicone build-up and quat irritation caveats.

Function

HAIR CONDITIONING

Skin benefits

  • Hair conditioning
  • Anti-static
  • Slip and detangling

Known concerns

  • Eye irritation at high %
  • Environmental persistence
  • Possible build-up

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 — always read the physical product label and consult a healthcare professional for personal concerns.