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Hair Conditioning

POLYQUATERNIUM-115

Updated
70

Safety score · 0–100

Fine

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

About

A polymeric quaternary ammonium salt used as a hair and skin conditioner, subject to EU Annex III/66 limits. Cationic conditioning is the benefit; mild eye irritation potential and a use-concentration cap are the trade-offs.

Function

HAIR CONDITIONINGSKIN CONDITIONING

Skin benefits

  • Cationic conditioning for hair and skin
  • Strong substantivity to keratin
  • Antistatic and detangling effects
  • Compatible with anionic surfactants in formulation

Known concerns

  • EU Annex III/66 restriction (dimethylaminoethyl acrylate copolymers)
  • Cationic quaternary groups can be mildly eye-irritating
  • Microplastic environmental persistence
  • Restricted use concentration in EU formulations

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.