Emollient
C20-40 ISOALKANE (FORMERLY C20-40 ISOPARAFFIN)
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A long-chain synthetic isoalkane used as an occlusive emollient and oil thickener. Part of the CIR-reviewed isoparaffin class judged safe at cosmetic use levels.
Skin benefits
- Heavy, occlusive emollient
- Acts as a stable thickener for oils
- Long-chain resists oxidation
Known concerns
- Heavy feel may not suit acne-prone skin
- Petroleum-derived feedstock
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.