Fraxinus Excelsior Bark Extract

TL;DR. This ingredient is used mainly as a skin-conditioning botanical extract, with secondary astringent and antioxidant support from naturally occurring polyphenols and tannins.

What does Fraxinus Excelsior Bark Extract do in a cosmetic formula?

This ingredient is used mainly as a skin-conditioning botanical extract, with secondary astringent and antioxidant support from naturally occurring polyphenols and tannins.

Is Fraxinus Excelsior Bark Extract clean?

From a clean beauty perspective, this ingredient is generally low-friction and not a common restricted-list issue. Sensitivity is possible with any botanical extract, so the practical review points are the extraction solvent, preservative system, and residual impurities.

Is Fraxinus Excelsior Bark Extract sustainable?

This material is plant-derived and biodegradable, with a better sustainability profile when sourced from managed pruning or responsible forestry streams. Supply can be affected by regional tree-health pressures, so traceable sourcing matters.

Is Fraxinus Excelsior Bark Extract COSMOS-approved?

It can be permitted under COSMOS-natural and COSMOS-organic when the plant material and extraction process meet the standard, using allowed solvents such as water, glycerin, or ethanol. It fits Green Chemistry reasonably well when made through simple aqueous or hydroalcoholic extraction with low-residue processing.

How does Fraxinus Excelsior Bark Extract work chemically?

This material is a water-soluble botanical extract containing phenolic glycosides, coumarin derivatives, flavonoids, and tannins, which explain its antioxidant and astringent profile. Liquid extracts are commonly used around 0.5% to 5%, are usually added in the cool-down phase, and perform best in preserved water-based systems with moderate pH.

Last updated 2026-05-13