Solvent
C9-11 ISOALKANE (FORMERLY C9-11 ISOPARAFFIN)
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A short-chain volatile isoalkane used as a fast-evaporating carrier in makeup and sunscreens. CIR-reviewed class is safe at present cosmetic use levels, though short-chain grades can feel drying.
Skin benefits
- Very light volatile emollient
- Solvent for oil-phase actives
- Part of CIR-reviewed class
Known concerns
- Short chains can be drying and slightly irritating
- Volatile vapors may sting eyes during application
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related solvents
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.