How we scored it
Whole-plant botanical extract; extraction solvents leave no mass in the product. 1.0 by category convention.
What counts. ISO 16128-2 scores the atoms that remain in the final ingredient. Reagents, solvents, catalysts and protecting groups used during manufacture leave no mass behind and are not counted.
Where it comes from
Extracted directly from the Japanese knotweed plant, typically with ethanol/water. No petrochemical route exists.
In plain English
A plant extract from Japanese knotweed, valued for antioxidant compounds like resveratrol and used to condition skin. It comes straight from the plant.
CosIng definition: Polygonum Cuspidatum Extract is an extract of the whole plant of the Japanese Knotweed, Polygonum cuspidatum, Polygonaceae
References
- 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
- 2POLYGONUM CUSPIDATUM EXTRACT. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3POLYGONUM CUSPIDATUM EXTRACT. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=POLYGONUM%20CUSPIDATUM%20EXTRACT