Oenothera Biennis (Evening Primrose) Seed

OEN

8/10

Concern level

High concern

Botanical lipid ingredient derived from evening primrose seeds; in cosmetic use it functions primarily as a skin-conditioning emollient rich in essential fatty acids. It is commonly used to support barrier feel and reduce dryness. ([cosmetics.specialchem.com](https://cosmetics.specialchem.com/inci-ingredients/oenothera-biennis-seed))

Pore-clogging

Low

Pregnancy

Safe

Regulatory

No data

Benefits

MoisturizingSoothingSupports Barrier Function

Chemical Properties

Typical Concentration

0.50% - 10.00%

CAS Number: 90028-66-3

Skin Type Compatibility

dry skin9/10

oily skin5/10

sensitive skin8/10

acne prone6/10

mature skin8/10

normal skin8/10

Interactions

incompatible with: Avoid pairing with very high-heat processing for extended periods because oxidation can reduce quality., Use antioxidant protection (for example tocopherol) in formulas to slow oxidation.

Risks & Warnings

Generally low risk in leave-on cosmetics, but plant-derived materials can vary in composition and may cause rare sensitization. Oral-pregnancy safety is not a cosmetic issue here; pregnancy data for topical cosmetic use are limited. ([makingcosmetics.com](https://www.makingcosmetics.com/on/demandware.static/-/Sites-makingcosmetics-master/default/dw5775920e/msds/sds-evening-primrose-oil.pdf))

Vegan Cruelty-Free

Found In Products

Sunday Riley