Salix Nigra Bark Extract ●
TL;DR. This ingredient is mainly used as a skin-conditioning botanical extract with mild astringent and exfoliation-supporting character. It can also support soothing, antioxidant, and oil-balancing claims through its polyphenol and salicylate content.
What does Salix Nigra Bark Extract do in a cosmetic formula?
This ingredient is mainly used as a skin-conditioning botanical extract with mild astringent and exfoliation-supporting character. It can also support soothing, antioxidant, and oil-balancing claims through its polyphenol and salicylate content.
Is Salix Nigra Bark Extract clean?
From a clean-beauty perspective, it is generally well accepted and not a common restricted-list ingredient. The main caveat is sensitivity in people reactive to salicylates or high-tannin botanical extracts, especially in leave-on formulas.
Is Salix Nigra Bark Extract sustainable?
This material is plant-derived and typically extracted with water, glycerin, or alcohol, so its base chemistry is readily biodegradable. The better sustainability questions are harvest management, traceable sourcing, and solvent choice rather than persistence.
Is Salix Nigra Bark Extract COSMOS-approved?
It is generally permitted under COSMOS-natural and COSMOS-organic when sourced and processed with approved extraction methods and solvents. It aligns well with Green Chemistry when it uses renewable feedstock, simple aqueous or hydroalcoholic extraction, and biodegradable carrier systems.
How does Salix Nigra Bark Extract work chemically?
Chemically, this material is a complex mixture of polyphenols including tannins and flavonoids plus salicylate-related compounds, so its activity depends heavily on the supplier's standardization. Typical cosmetic use is often around 0.5% to 5% of the supplied extract, with best compatibility in aqueous systems and performance influenced by formula pH and preservative design.
Last updated 2026-05-13