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Hair Conditioning

POLYQUATERNIUM-98

75

Safety score · 0–100

Fine

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

A high molecular weight cationic conditioning polymer — sticks to hair and skin to give a smooth, anti-static feel. Generally safe in finished products; the main caveats are typical for cationic polymers (eye irritation at high levels, aquatic toxicity).

Skin benefits

  • Substantive hair conditioning
  • Forms a smoothing film
  • Reduces static and improves combability

Known concerns

  • Cationic polymer — eye irritation potential at higher levels
  • Aquatic toxicity for cationic polymers (rinse-off concern)

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.