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Thickener

AMMONIUM ALGINATE

CAS 9005-34-9 Updated
87

Safety score · 0–100

Good

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

About

The ammonium salt of alginic acid — a natural polysaccharide from brown seaweed. Used to thicken, stabilise, and form gentle films. Long food and cosmetic safety record.

Function

BINDINGEMULSION STABILISINGFILM FORMINGVISCOSITY CONTROLLING

Skin benefits

  • Natural seaweed-derived thickener
  • Forms protective film
  • Stabilises emulsions
  • Biodegradable

Known concerns

  • Possible mild allergy in iodine-sensitive individuals (rare)
  • Quality varies by source

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.