Oenothera Biennis (Evening Primrose) Oil

OEN

8/10

Concern level

High concern

Seed-derived fixed plant oil used primarily as an emollient and skin-conditioning ingredient. It is rich in linoleic acid and gamma-linolenic acid (GLA), which support skin softness and barrier comfort. CIR has assessed Oenothera biennis (evening primrose) oil as safe as used in cosmetics. ([cir-safety.org](https://www.cir-safety.org/ingredient/oenothera-biennis-evening-primrose-oil))

Pore-clogging

Low

Pregnancy

Safe

Regulatory

No data

Benefits

MoisturizingSoothingSupports Barrier Function

Chemical Properties

Typical Concentration

1.00% - 100.00%

CAS Number: 90028-66-3

Skin Type Compatibility

dry skin9/10

oily skin4/10

sensitive skin7/10

acne prone5/10

mature skin8/10

normal skin8/10

Interactions

incompatible with: No specific ingredient incompatibilities are well established for topical cosmetic use., For anhydrous formulas, combine with antioxidants (for example tocopherol) to improve oxidative stability.

Risks & Warnings

Generally low risk when used topically, but any botanical oil can cause rare irritation or allergy in sensitized users. Because it is an oil, it may feel heavy on very oily or acne-prone skin and can be comedogenic for some individuals. Oral pregnancy safety data do not directly establish topical pregnancy safety. ([nccih.nih.gov](https://www.nccih.nih.gov/health/evening-primrose-oil?utm_source=openai))

Vegan Cruelty-Free