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ISOSTEAROYL PG-TRIMONIUM CHLORIDE

CAS 94689-36-8
55

Safety score · 0–100

Moderate

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

About

Isostearoyl Pg-trimonium Chloride is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.

Isostearoyl PG-trimonium chloride is a quaternary ammonium compound derived from isostearic acid functioning as an antistatic agent and hair conditioner. Quaternary ammonium compounds (quats) are extensively reviewed in EU cosmetic regulation. The isostearoyl chain provides a degree of mildness compared to shorter-chain quats, but typical surfactant-related concerns (eye irritation, skin barrier disruption at high concentrations) apply. No specific EU Annex restriction.

Skin benefits

  • Provides effective hair conditioning and antistatic benefits
  • Imparts soft, silky feel to hair and skin
  • Helps detangle hair and reduce static electricity

Known concerns

  • Quaternary ammonium compounds can be eye irritants at high concentrations
  • May cause skin barrier disruption with prolonged high-concentration exposure
  • Typical surfactant-related concerns at use levels

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.