Thickener
POTASSIUM CARRAGEENAN
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A seaweed-derived gelling agent that thickens lotions, gels and toothpastes. Cosmetic-grade is generally well tolerated; concerns about degraded carrageenan apply only to ingested forms.
Function
Skin benefits
- Plant-derived gelling and thickening
- Stabilizes emulsions
- Smooths skin feel
- Helps suspend pigments and actives
Known concerns
- Debate around degraded carrageenan in oral exposure (not topical)
- Rare contact sensitivity
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related thickeners
Check your shelf
Find POTASSIUM CARRAGEENAN in your products.
Scan any cosmetic product with LuxSense to see if it contains POTASSIUM CARRAGEENAN and get a full ingredient breakdown with safety scores.
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.