Oenothera Biennis (Evening Primrose) Leaf Extract

What is Oenothera Biennis (Evening Primrose) Leaf Extract?

Oenothera biennis, commonly known as evening primrose, is a biennial herb native to North America and parts of Europe. The leaf extract is derived from the green leaves of this plant through solvent extraction methods, yielding a concentrate rich in phenolic compounds, flavonoids, and other plant polyphenols. In cosmetics, it functions primarily as a skin conditioning agent, found in formulations like moisturizers, serums, and toners. It works by delivering antioxidants that help shield skin from environmental oxidative damage while promoting a smoother texture through hydration support and barrier reinforcement. This botanical extract is valued for its natural origin and compatibility in rinse-off and leave-on products across various skin care categories.

Comedogenic Rating 0/5 Low risk of clogging pores
EWG Safety Rating 1 View on EWG →

Benefits

Offers antioxidant protection from plant polyphenols.

Supports skin conditioning for improved texture.

Non-comedogenic, suitable for acne-prone skin.

Who It's For

A quick guide for who this ingredient may suit (and who should be cautious).

Who May Benefit Who Should Avoid
Individuals looking for botanical skin conditioners.
People with known allergies to evening primrose or Oenothera biennis.
People with normal to dry skin seeking hydration support.
Individuals sensitive to botanical extracts.
Those preferring natural antioxidant ingredients.
Those with plant-based ingredient allergies.

Safety Notes

  • Rated low hazard by safety assessments.
  • Generally recognized as safe for cosmetic use.

Frequently Asked Questions about Oenothera Biennis (Evening Primrose) Leaf Extract

What is evening primrose leaf extract?

A botanical extract from the leaves of Oenothera biennis, used as a skin conditioning agent in cosmetics.

Is it safe for sensitive skin?

It receives low hazard ratings and is generally well-tolerated in formulations.

Does it clog pores?

It has a comedogenic rating of zero, making it unlikely to contribute to pore blockage.