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Emollient (mineral hydrocarbon)

C20-40 ISOPARAFFIN

CAS 246538-81-8
78

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

A high molecular weight isoparaffin used as an inert emollient and rheology modifier in lotions, sunscreens and color cosmetics. EU-permitted at cosmetic purity grades with a strong safety record, though it is petroleum-derived.

Skin benefits

  • Inert emollient and rheology modifier
  • Improves spreadability and water resistance
  • Stable, odorless and non-reactive with actives

Known concerns

  • Petroleum-derived; some consumers prefer plant alternatives
  • Must meet cosmetic-grade purity specifications
  • Occlusive feel may not suit oily skin

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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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.