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Hair Conditioning

SILICONE QUATERNIUM-11

CAS 226992-88-7
78

Safety score · 0–100

Fine

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

A silicone quaternary conditioner that smooths hair and reduces static. Generally well tolerated; main caveat is mild eye irritation if undiluted.

Function

ANTISTATICHAIR CONDITIONING

Skin benefits

  • Conditions hair with silicone smoothness
  • Antistat
  • Reduces frizz

Known concerns

  • Cationic — eye irritation in concentrate
  • Limited published safety review
  • Build-up potential on hair

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.