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pH Adjuster

MIXED ISOPROPANOLAMINES

CAS - Updated
45

Safety score · 0–100

Moderate

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

About

A blend of mono-, di- and tri-isopropanolamines used as pH adjusters and emulsifiers. EU restricts use to avoid nitrosamine formation when paired with nitrosating agents — keep formulations clean.

Skin benefits

  • pH adjustment in formulations
  • Emulsification of fats and oils
  • Functions as a buffering agent

Known concerns

  • Nitrosamine formation risk with nitrosating agents
  • Restricted under EU Annex II/III conditions
  • Potential for skin and eye irritation
  • Use limited by maximum secondary-amine residue

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.