Thickener
SODIUM CARRAGEENAN
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
The sodium salt of carrageenan, a polysaccharide from red seaweed. Acts as a thickener and gelling agent; food-grade and well-tolerated on skin.
Function
Skin benefits
- Plant-derived gelling and thickening agent
- Smooth, plush skin feel
- Stabilizes emulsions
Known concerns
- Degraded carrageenan (poligeenan) is GI-irritating, but cosmetic carrageenan is the food-grade form
- No skin-related safety issues
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.