In our reference data, Corylus Avellana Seed Oil can feed Malassezia (fungal acne).
Corylus Avellana (Hazelnut) Seed Oil is a lightweight, fast-absorbing plant oil rich in oleic and linoleic fatty acids, used in skincare as an emollient and skin-conditioning agent. It softens skin, supports the lipid barrier, and is valued for its relatively non-greasy, slightly astringent feel.
| Reported effect | How often | Notes |
|---|---|---|
| Allergic contact dermatitis / hypersensitivity | Rare | Possible in individuals with tree nut allergy; topical sensitization is uncommon but documented. |
| Comedogenicity / acne flare | Uncommon | Oleic-rich oils may aggravate acne or clog pores in some acne-prone individuals. |
| Skin irritation or redness | Rare | Mild transient irritation reported infrequently, often related to oxidized oil or formulation. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.