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Fatty acid ester emollient

OLEYL STEARATE

CAS 17673-50-6
82

Safety score · 0–100

Good

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

A fatty ester of oleyl alcohol and stearic acid used as a rich emollient in balms, lipsticks, and creams. Mild on skin and well-established, with moderate comedogenicity making it less suitable for acne-prone users.

Skin benefits

  • Emollient fatty ester that softens skin
  • Provides occlusive lipid layer to reduce TEWL
  • Low irritation and sensitization risk
  • Improves spreadability and gloss in balms and lipsticks

Known concerns

  • Higher comedogenic rating for acne-prone users
  • Source can be animal-derived stearic acid (not always vegan)
  • Heavy texture for oily skin types

References

EU

EU CosIng database

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

Related fatty acid ester emollients

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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.