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Hair Conditioning

POLYMETHACRYLAMIDOPROPYLTRIMONIUM METHOSULFATE

CAS 181788-04-5 Updated
80

Safety score · 0–100

Good

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

About

A high-MW cationic polymer that gives hair products their slip and antistatic feel. Big polymers stay on the surface, so it's well-tolerated; only minor caveats around build-up over time.

Function

ANTISTATICFILM FORMINGHAIR CONDITIONING

Skin benefits

  • Antistatic and film-forming on hair
  • Strong cuticle smoothing in conditioning shampoos
  • Polymeric size limits skin penetration

Known concerns

  • Quaternary ammonium polymers can build up with repeated use
  • Trace methosulfate counter-ion
  • Mild eye irritation at high concentrations

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.