Derived from the evening primrose, this botanical extract serves as a potent antioxidant and skin-soothing agent. It excels at neutralizing oxidative stress and calming visible redness, making it a valuable addition to formulas targeting sensitive or environmentally stressed skin.
- INCI Name:
- Oenothera Biennis Flower Extract
- Chemical/Scientific Name:
- Oenothera Biennis L. Flower Extract
- Common Aliases:
- Evening Primrose Flower Extract, Sundrops Extract
| Category: | Antioxidants |
| Source Origin: | Plant (Botanical) |
| Comedogenic Rating: | 0 |
| Primary Industries: | Skincare, Body Care, Traditional Herbalism |
| Solubility: | Water, Glycerin, or Propanediol (dependent on extraction solvent) |
At a Glance: Properties & Effects
| Soothing/Calming | |
| Hydration/Moisture | |
| Anti-Aging/Renewal | |
| Irritation Risk |
- Primary Benefits:
- Neutralizes free radicals to prevent signs of premature aging.
- Visibly reduces the appearance of skin redness and inflammation.
- Provides mild astringent properties to help refine skin texture.
- Potential Risks:
- Rare botanical sensitivity for individuals allergic to the Onagraceae plant family.
Biological Action & Cosmetic Profile
Phenolic compounds, particularly gallic acid and catechins, constitute the core of this extract’s efficacy. These molecules act as biological shields by donating electrons to reactive oxygen species (ROS), thereby preventing the degradation of collagen and elastin fibers caused by UV exposure or urban pollution. Furthermore, the presence of flavonoids contributes to a reduction in pro-inflammatory cytokines, which helps in stabilizing compromised skin barriers.Conditioning the skin occurs through the extract’s ability to retain surface moisture via its complex carbohydrate content. While distinct from the fatty-acid-rich seed oil, the floral extract contains tannins that offer a gentle tightening effect on the pores without causing the desiccation often associated with harsh alcohols. Such duality makes it suitable for both oily-dehydrated and hyper-sensitive skin types.
Broader Applications & Origins
Indigenous to North America, the Oenothera biennis plant has a long history of utilization in traditional herbalism. Modern cosmetic science extracts these active constituents through maceration or supercritical fluid extraction to ensure high concentrations of bioactive secondary metabolites. Today, it is frequently incorporated into high-performance serums, soothing mists, and post-procedure recovery creams.
Routine Integration
- Synergies:
- Niacinamide for enhanced barrier support and redness reduction.
- Ascorbic Acid to boost overall antioxidant protection against photoaging.
- Panthenol or Allantoin for intensive skin-soothing benefits.
Clinical Consensus & Safety
Toxicological evaluations by the Cosmetic Ingredient Review (CIR) Expert Panel categorize this extract as safe for use in cosmetics at current typical concentrations. It lacks significant evidence of sensitization or irritation in human clinical trials when formulated correctly. Because it is a botanical derivative, consumers with known allergies to the primrose family should perform a patch test prior to widespread application.
Is this the same as Evening Primrose Oil?
No. While the oil is extracted from the seeds and is rich in Gamma-Linolenic Acid (GLA), the flower extract focuses on water-soluble or solvent-extracted polyphenols and antioxidants. They provide different but complementary benefits for skin health.
Can it be used on acne-prone skin?
Yes, this extract is non-comedogenic and does not clog pores. Its anti-inflammatory properties may actually help soothe the redness associated with active breakouts and assist in the skin’s natural recovery process.
Does it have a strong scent?
In its raw form, the extract may have a faint, herbaceous aroma. However, in finished cosmetic formulations, it is typically used at concentrations that do not impart a noticeable fragrance to the product.

