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Barrier lipid

CHOLESTERYL OLEATE

CAS 303-43-5
85

Safety score · 0–100

Good

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

Cholesteryl oleate is a naturally occurring skin lipid used as an emollient and barrier-support ingredient in face and body moisturisers. It mirrors a component already present in human sebum and skin.

Skin benefits

  • Naturally occurring skin lipid found in sebum and stratum corneum
  • Emollient that supports the skin barrier
  • Helps lock in moisture
  • Compatible with other barrier lipids like ceramides

Known concerns

  • Animal-derived unless synthesised, not vegan
  • High occlusivity may not suit very oily skin
  • Oxidation possible if formula lacks antioxidants

References

EU

EU CosIng database

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

Related barrier lipids

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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.