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Stabilizer

POTASSIUM UNDECYLENOYL CARRAGEENAN

CAS 224580-89-6 Updated
80

Safety score · 0–100

Good

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

About

A seaweed-derived carrageenan modified with undecylenic acid to add antimicrobial action. Stabilizes emulsions and conditions skin and hair, with a mild profile though cosmetic-specific safety data is limited.

Function

EMULSION STABILISINGHAIR CONDITIONINGSKIN CONDITIONING

Skin benefits

  • Stabilizes cosmetic emulsions
  • Antimicrobial activity from undecylenic acid moiety
  • Naturally derived from seaweed
  • Skin- and hair-conditioning

Known concerns

  • Undecylenic acid component can be mildly irritating at high %
  • Carrageenan source-quality varies
  • Limited cosmetic-specific safety literature

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.