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Antioxidant

FUCOIDAN

CAS 9072-19-9
87

Safety score · 0–100

Good

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

A sulfated polysaccharide from brown seaweed (Fucus, Ascophyllum) with well-studied anti-inflammatory and antioxidant activity. Hydrating, film-forming, and well-tolerated on skin.

Function

ANTIOXIDANTSKIN CONDITIONING

Skin benefits

  • Sulfated polysaccharide with anti-inflammatory activity
  • Antioxidant ROS scavenging
  • Hydrating film-former
  • Studied for barrier and anti-aging support

Known concerns

  • Marine source — trace iodine relevant for thyroid-sensitive users
  • Possible anticoagulant activity at high doses (not relevant topically)
  • Batch sulfation profile varies by seaweed 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, so always read the physical product label and consult a healthcare professional for personal concerns.