Oenothera Biennis Evening Primrose
What is Oenothera Biennis Evening Primrose?
Oenothera Biennis Evening Primrose refers to oil or extract derived from the seeds of the evening primrose plant (Oenothera biennis), native to North America and known for its rich content of gamma-linolenic acid (GLA), an omega-6 fatty acid. In skincare, it is valued for its emollient properties that help hydrate and soften the skin while supporting the skin's barrier function. It also possesses anti-inflammatory and antioxidant effects, making it suitable for soothing irritated or dry skin conditions.
Roles in Formulation
This ingredient serves the following purposes in cosmetic formulations:
Emollient
Softens and smooths skin by filling in surface roughness and improving slip; can also help reduce moisture loss when paired with occlusives and film formers.
Moisturising
Improves skin hydration and comfort by combining water-binding (humectant) and barrier-supporting (emollient/occlusive) mechanisms to reduce dryness.
Refatting
Replenishes lipids removed during cleansing to improve mildness and reduce tightness, leaving skin or hair feeling less stripped after rinse-off use.
Skin protecting
Forms a barrier to protect skin from external irritants.
Skin conditioning agent
Maintains skin softness, smoothness, and flexibility.
Soothing
Helps reduce the feeling of discomfort and visible irritation by supporting skin calmness, often through anti-irritant, barrier-supporting, or cooling mechanisms.
Antioxidant
Slows oxidation of oils, fragrances, and sensitive actives to improve shelf life and reduce rancidity or color change; sometimes also supports skin protection from oxidative stress.