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Oenothera biennis evening primrose oil
AKA “Evening Primrose Oil”
Extract
Ingredient Facts
Oenothera biennis evening primrose oil
Extract · Emollient · EWG: 1
Plant-Derived Synthetic
Emollient
Skin Conditioner
Plant Oil
Extract
Clean
Oenothera Biennis Evening Primrose Oil is a cosmetic ingredient. Rated low hazard by EWG.
CAS #
90028-66-3
Form
Oil
See origin →
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Softens & Smooths
Traditional Use
Evening primrose seed oil, used in European folk medicine since the 17th century for hormonal balance and skin health; historically applied topically for inflammatory skin conditions.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Caution
EWG
1
CIR
Safe
Pregnancy
Caution
CIR Safety Findings
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: Kew POWO · CosIng · EWG · CIR