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Hair Conditioning

ETHYLTRIMONIUM CHLORIDE METHACRYLATE/HYDROLYZED POTATO PROTEIN COPOLYMER

Updated
68

Safety score · 0–100

Fine

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

About

A cationic copolymer of a quat-methacrylate with hydrolyzed potato protein, used to condition and film-coat hair. Generally well-tolerated; quat irritation and residual monomer warrant caution.

Skin benefits

  • Conditioning film former for hair
  • Improves combing and softness
  • Used in conditioners and styling products

Known concerns

  • Quaternary ammonium charge can be irritating to eyes
  • Methacrylate monomer residue is the safety concern
  • Synthetic copolymer; environmental persistence

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.