marine botanical
SARGASSUM HORNERI POWDER
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
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 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.