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Thickener

POTASSIUM ALGINATE

CAS 9005-36-1 Updated
85

Safety score · 0–100

Good

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

About

The potassium salt of alginic acid, a polysaccharide from brown seaweed. A common gelling agent in peel-off masks; food-grade safety profile.

Function

BINDINGEMULSION STABILISINGVISCOSITY CONTROLLING

Skin benefits

  • Natural seaweed-derived thickener and gelling agent
  • Film former for masks and patches
  • Food-safe with long history of use

Known concerns

  • No significant concerns at cosmetic concentrations

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.