Emollient
TRIISOTRIDECYL TRIMELLITATE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A high-molecular-weight ester of trimellitic acid and isotridecyl alcohol used as a heavy-duty, cushiony emollient in lip and colour cosmetics. Highly stable but less biodegradable than aliphatic esters.
Function
Skin benefits
- Heavy-duty long-lasting emollient
- Cushiony lip and foundation feel
- Excellent oxidative stability
- Non-comedogenic in standard testing
Known concerns
- Aromatic trimellitate backbone less biodegradable than aliphatic esters
- Potential occlusivity for acne-prone skin
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related emollients
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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.