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Hair Conditioning

SILICONE QUATERNIUM-1

65

Safety score · 0–100

Fine

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

A quaternary silicone ammonium compound — provides antistatic and conditioning effects in hair products and a slip-feel on skin. Generally safe at cosmetic levels though carries general silicone-class environmental persistence caveats.

Function

ANTISTATICHAIR CONDITIONING

Skin benefits

  • Hair conditioning and antistatic
  • Skin smoothing effect
  • Combines silicone slip with cationic substantivity

Known concerns

  • Cationic quat — eye irritation in rinse-off
  • Silicone backbone persistence in aquatic environments
  • D4/D5 monomer purity required

References

EU

EU CosIng database

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

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Same plant / compound family

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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.