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Skin Conditioning

SODIUM/TEA-UNDECYLENOYL CARRAGEENAN

CAS 224580-91-0 Updated
60

Safety score · 0–100

Fine

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

About

A carrageenan (seaweed) backbone with an undecylenoyl fatty chain attached, used to condition and thicken. Generally usable but sits in yellow because of the TEA-salt and Annex III restrictions on undecylenoyl derivatives.

Function

EMULSION STABILISINGHAIR CONDITIONINGSKIN CONDITIONING

Skin benefits

  • Skin and hair conditioning
  • Film-forming and viscosity building
  • Naturally derived backbone

Known concerns

  • TEA salts can form nitrosamines if combined with nitrosating agents
  • Undecylenoyl derivatives restricted under EU Annex III
  • Limited modern toxicology

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.