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Hair Conditioning

STEAROXYPROPYL DIMETHYLAMINE

CAS 17517-01-0 Updated
60

Safety score · 0–100

Fine

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

About

A pH-activated tertiary amine used in modern conditioners as a lighter alternative to traditional quats. Watch for nitrosamine risk in poorly designed formulas.

Skin benefits

  • Tertiary-amine hair conditioner
  • Becomes cationic on protonation
  • Lighter feel than quats

Known concerns

  • Possible nitrosamine formation if combined with nitrite donors
  • Eye irritation potential
  • Limited dedicated CIR review

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.