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POLYQUATERNIUM-42

CAS -
79

Safety score · 0–100

Fine

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

About

A cationic polymer that deposits a conditioning film onto skin or hair, reducing static and improving texture.

Polyquaternium-42 is a quaternary ammonium-substituted vinyl polymer that functions as an antistatic and skin/hair conditioning agent. It is not listed in EU Cosmetics Regulation Annexes II–VI, indicating no current restriction. Polymers of this class are generally regarded as macromolecular and of low systemic bioavailability, with irritation potential limited to sensitive individuals.

Skin benefits

  • Improves skin smoothness and texture
  • Provides a conditioning film that reduces dryness
  • Reduces static charge on skin surface

Known concerns

  • Possible irritation in individuals with sensitised skin

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

Related others

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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.