Thickener
ALGIN
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Algin (sodium alginate) — a seaweed-derived hydrocolloid used as a gentle thickener and film-former. Food-grade with extensive safety data and no documented cosmetic concerns.
Function
Skin benefits
- Natural seaweed-derived thickener
- Forms hydrogel films
- Soothing and moisture-binding
- Food-grade safety
Known concerns
- No significant concerns at cosmetic concentrations
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related thickeners
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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.