C10-11 ISOALKANE (FORMERLY C10-11 ISOPARAFFIN)
Other
Good
CAS Number: 90622-57-4/ 64742-48-9
About C10-11 ISOALKANE (FORMERLY C10-11 ISOPARAFFIN)
A lighter branched-chain hydrocarbon used as a fragrance solvent and carrier in cosmetics; it has a long history of use with minor concerns around volatility in aerosol applications.
Detailed Analysis
C10-11 Isoalkane is a branched-chain saturated hydrocarbon mixture (C10-C11), closely related to hydrotreated naphtha fractions. It is not restricted under EU Regulation 1223/2009. Cosmetic-grade material has had benzene and aromatics removed. The primary safety consideration is inhalation exposure in spray products; skin sensitization and genotoxicity are not observed at cosmetic concentrations.
Skin Benefits
- ✓ Functions as a light solvent for fragrances and oils
- ✓ Provides quick-drying feel in cosmetic formulations
- ✓ Improves spreadability of light serums and lotions
Known Concerns
- ⚠ Volatile; inhalation exposure concern in aerosol/spray products
- ⚠ May cause mild eye irritation
- ⚠ Flammable
Safety Score
Good
Based on EU regulatory data, published safety research, and ingredient function analysis.
References
EU CosIng Database
European Commission cosmetic ingredient registry
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