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Hair Conditioning

SILICONE QUATERNIUM-25

CAS 385435-88-1
78

Safety score · 0–100

Fine

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

A silicone-based quaternary conditioning polymer. Smooths hair, reduces static, deposits cleanly. Generally well tolerated — class is mainstream — but specific public dossier on this entry is light.

Function

SKIN CONDITIONING - EMOLLIENTHAIR CONDITIONINGSKIN CONDITIONING

Skin benefits

  • Hair conditioning
  • Reduces static
  • Smooths cuticle

Known concerns

  • Cationic build-up if used heavily
  • Eye irritation potential

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.