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Hair Conditioning

SILICONE QUATERNIUM-17

CAS 519142-86-0
74

Safety score · 0–100

Fine

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

A quaternized silicone for hair — combines silicone slip with cationic substantivity. Smooths and protects; mild irritation only at high use.

Function

SURFACTANT - EMULSIFYINGHAIR CONDITIONINGSURFACTANT - CLEANSING

Skin benefits

  • Cationic silicone hair conditioner
  • Smooths and detangles
  • Adds shine and slip
  • Heat protection benefit

Known concerns

  • Cationic — possible eye irritation
  • Hair build-up over time
  • Limited public safety data

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.