Thickener
PROPYLENE GLYCOL ALGINATE
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A propylene-glycol ester of alginic acid from brown seaweed, used as a thickener and stabilizer. Established food and cosmetic safety record with very rare PG-related sensitization concerns.
Function
Skin benefits
- Seaweed-derived thickener and stabilizer
- Smooths formulation texture
- Used in food and cosmetics with strong safety record
Known concerns
- Propylene glycol moiety may sensitize a small subset
- Brown seaweed source — minor sustainability
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.