oil
Olive Oil
Classical botanical emollient with a long history of topical application. High oleic acid content (>70%) provides rich emolliency but also moderate comedogenicity. Use in body oils reflects its skin-softening tradition.
Benefits
- Rich emollient — oleic acid dominant
- Contains squalene, polyphenols (oleuropein), and vitamin E
- Anti-inflammatory oleuropein activity
- Skin softening and moisturising
- Traditional use supporting consumer trust
Example uses
- Body oils
- Traditional cleansing oils
- Nourishing face oils (dry/mature skin)
- Hair oils
- Rich body butters
Mechanism of action
Oleic acid integrates into the stratum corneum intercellular lipid matrix, temporarily disrupting lamellar structure while providing emolliency. Oleuropein inhibits 5-LOX and COX-2, reducing leukotriene and prostaglandin synthesis. Squalene from the unsaponifiable fraction contributes antioxidant and barrier-compatible lipid activity.
Clinical evidence · High
Well-characterised with extensive use history. Comedogenicity and oleic acid-barrier disruption documented. Oleuropein anti-inflammatory mechanism established in vitro.
Effective concentration range
2–30%
Formulation notes
Prone to oxidation — antioxidant supplementation required. High oleic acid provides richness but increases comedogenicity. Unsaponifiable fraction contains squalene and polyphenols with secondary skin-beneficial activity.
Watchouts
High oleic acid content (>70%) associated with moderate-to-high comedogenicity risk. Research has shown that oleic acid may disrupt infant skin barrier — caution in baby product use, though this is less relevant to adult face formulations.
Stacks with
Controversies & overclaims
Research suggesting that oleic acid-rich oils may disrupt infant skin barrier (Danby et al. studies) has been extrapolated to adult facial use. The clinical significance for adult intact skin at cosmetic concentrations is less clear.
Market positioning
Marketed as the archetypal natural oil. Emolliency is real. Comedogenicity risk for acne-prone skin and oleic acid-barrier question are underreported in clean-beauty communication.
Comedogenicity
3 / 5
Sensitisation risk
Low
INCI & aliases
Olea Europaea Fruit Oil
olea europaea fruit oil · extra virgin olive oil (EVOO) · olive oil
Clean beauty perception
Strongly accepted in clean beauty as one of the most natural and traditional oils available.
Related ingredients
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