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marine botanical

SARGASSUM HORNERI POWDER

76

Safety score · 0–100

Fine

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

A powdered brown seaweed prized in skincare for fucoidan, polyphenols, and minerals. It offers antioxidant and soothing benefits, with source-quality control needed to limit heavy metal and iodine load.

Function

HUMECTANT, SKIN CONDITIONING - HUMECTANT

Skin benefits

  • Brown seaweed rich in fucoidan and polyphenols with antioxidant activity
  • Contains alginates that contribute mild film-forming hydration
  • Provides trace minerals and amino acids
  • Studied for anti-inflammatory marine bioactives

Known concerns

  • May contain trace heavy metals such as arsenic and cadmium depending on source
  • Iodine content could be a concern in leave-on at high use
  • Seaweed proteins can rarely cause allergic reactions

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

Related marine botanicals

Same plant / compound family

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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.