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Emulsifier

TEA-STEARATE

CAS 4568-28-9
55

Safety score · 0–100

Moderate

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

Triethanolamine stearate — a soap-emulsifier from TEA and stearic acid. Effective but TEA can form nitrosamines if combined with nitrosating agents; EU restricts use.

Function

CLEANSINGSURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Effective anionic emulsifier and soap
  • Common in classic creams

Known concerns

  • TEA is a secondary amine — theoretical nitrosamine formation if mixed with nitrosating agents
  • EU restricts TEA in leave-on products
  • Better alternatives now exist

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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Check your shelf

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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.