Oenothera Biennis Flower/Leaf/Stem Extract ●
TL;DR. This ingredient is primarily a botanical skin-conditioning extract, used to add antioxidant and calming support to leave-on and rinse-off formulas. It is usually included as a low-level active or story-supporting extract rather than as a structural emulsifier, preservative, or surfactant.
What does Oenothera Biennis Flower/Leaf/Stem Extract do in a cosmetic formula?
This ingredient is primarily a botanical skin-conditioning extract, used to add antioxidant and calming support to leave-on and rinse-off formulas. It is usually included as a low-level active or story-supporting extract rather than as a structural emulsifier, preservative, or surfactant.
Is Oenothera Biennis Flower/Leaf/Stem Extract clean?
From a clean beauty perspective, this ingredient is generally well accepted and low-friction when made with simple approved solvents and preserved appropriately. Sensitivity is possible with any botanical extract, so the full formula, extraction solvent, and preservative system matter more than the extract alone.
Is Oenothera Biennis Flower/Leaf/Stem Extract sustainable?
This material is plant-derived and expected to be readily biodegradable, with a lighter profile than persistent synthetic film-formers or silicones. Sustainability depends on agricultural practices, extraction solvent choice, and whether the supplier uses traceable plant material.
Is Oenothera Biennis Flower/Leaf/Stem Extract COSMOS-approved?
It is generally permitted under COSMOS-natural and COSMOS-organic standards when sourced and processed according to the standard, including approved extraction solvents and compliant preservation. It fits Green Chemistry principles well when produced from renewable plant material using water, glycerin, or ethanol-based extraction with minimal processing.
How does Oenothera Biennis Flower/Leaf/Stem Extract work chemically?
This compound is a complex botanical extract containing water-soluble phytochemicals such as phenolic acids, flavonoids, tannin-like compounds, and other minor plant metabolites. Typical use levels are often around 0.1% to 5% depending on extract strength, and it is best formulated within the pH and heat limits recommended by the supplier to protect color, odor, and antioxidant profile.
Last updated 2026-08-19