C11-12 ISOALKANE (FORMERLY C11-12 ISOPARAFFIN)

Other

79

Good

CAS Number: 90622-57-4

About C11-12 ISOALKANE (FORMERLY C11-12 ISOPARAFFIN)

A branched-chain aliphatic hydrocarbon used as a fragrance solvent and emollient in cosmetics; it has a good safety profile with no EU restrictions.

Detailed Analysis

C11-12 Isoalkane is a branched-chain saturated hydrocarbon mixture in the C11-C12 range. It is hydrotreated to cosmetic grade with removal of aromatic compounds and benzene. EU Regulation 1223/2009 does not restrict this ingredient. The shorter carbon chain length makes it more volatile and suitable as a solvent carrier. Skin sensitization and genotoxicity are not observed at cosmetic concentrations.

Skin Benefits

  • Functions as a fast-evaporating fragrance solvent
  • Provides light, non-residue skin feel
  • Improves application spreadability

Known Concerns

  • Volatile; inhalation exposure concern in spray/aerosol products
  • May cause mild eye irritation

Safety Score

79

Good

Based on EU regulatory data, published safety research, and ingredient function analysis.

References

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EU CosIng Database

European Commission cosmetic ingredient registry

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This information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional for skin concerns or allergies.