C10-11 ISOALKANE (FORMERLY C10-11 ISOPARAFFIN)

Other

77

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

77

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.