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Surfactant

TEA-ROSINATE

CAS 61790-65-5
45

Safety score · 0–100

Moderate

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

A triethanolamine soap of pine rosin — used as a surfactant or thickener. Both halves of the molecule are problem-prone: rosin (colophonium) is a recognized contact allergen, and TEA can form nitrosamines with nitrosating agents.

Function

CLEANSINGSURFACTANT - CLEANSINGVISCOSITY CONTROLLING

Skin benefits

  • Functions as surfactant and viscosity controller
  • Plant-derived rosin chemistry

Known concerns

  • Rosin acids are known skin sensitizers (colophonium)
  • TEA salt — potential nitrosamine formation with nitrosating agents
  • EU Annex III restricted
  • Best avoided in leave-on 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, so always read the physical product label and consult a healthcare professional for personal concerns.