Polygonum Cuspidatum Extract ●
TL;DR. This ingredient is used as a botanical antioxidant and skin-conditioning extract. It helps protect formulas and skin from oxidative stress while adding a calming, tone-supportive positioning.
What does Polygonum Cuspidatum Extract do in a cosmetic formula?
This ingredient is used as a botanical antioxidant and skin-conditioning extract. It helps protect formulas and skin from oxidative stress while adding a calming, tone-supportive positioning.
Is Polygonum Cuspidatum Extract clean?
It is generally well tolerated and is not a common restricted-list trigger in clean beauty standards. As with many botanical extracts, sensitivity risk depends on concentration, solvent system, preservation, and batch composition.
Is Polygonum Cuspidatum Extract sustainable?
This material is plant-derived and typically biodegradable, with a better profile when extracted using water, glycerin, or ethanol. Supply can be relatively favorable because the source plant is fast-growing, though documentation should confirm responsible harvesting and solvent management.
Is Polygonum Cuspidatum Extract COSMOS-approved?
It is generally permitted in COSMOS-natural and COSMOS-organic products when made from compliant botanical raw material, approved extraction methods, and allowed solvents or preservatives. It aligns well with Green Chemistry when sourced renewably and processed with low-impact solvents.
How does Polygonum Cuspidatum Extract work chemically?
This ingredient is a complex plant extract rich in polyphenols, including stilbenes such as resveratrol, plus other antioxidant constituents that vary by plant part and extraction method. Typical cosmetic use is often around 0.1% to 5%, and the phenolic fraction is best protected from excessive heat, light, and oxidation during formulation.
Last updated 2026-05-15