Oenothera Biennis (evening primrose) extract is derived from the seeds and parts of the evening primrose plant and is rich in gamma-linolenic acid (GLA) and other fatty acids, valued in skincare for its emollient, soothing, and antioxidant properties. It is used to support the skin barrier and reduce dryness and inflammation.
| Reported effect | How often | Notes |
|---|---|---|
| Contact dermatitis / skin irritation | Rare | Localized redness or itching reported in sensitive individuals or those with plant allergies. |
| Allergic contact sensitization | Rare | Possible in people allergic to related botanicals; patch testing advised. |
| Acneiform breakouts | Very rare | Occasional reports linked to the oil content in occlusive formulations. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.