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Hair Conditioning

POLYQUATERNIUM-58

CAS 88230-37-9
80

Safety score · 0–100

Good

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

A cationic hair-conditioning polymer that binds strongly to damaged hair sites through both charge attraction and hydrophobic contact. Smooths cuticles and reduces static; standard polyquaternium safety profile.

Function

HAIR CONDITIONING

Skin benefits

  • Strong substantivity to damaged hair
  • Antistatic and combability benefits
  • Hydrophobic modification for shine

Known concerns

  • Cationic build-up with repeated leave-on use
  • Not biodegradable

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.