How we scored it
Wood extract, no single molecule: tannins, phenolics and sugars are all plant-derived (n = 1), so natural fraction = 1.0. Extraction solvents and carriers leave no counted mass.
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
Oak wood chips or shavings (Quercus robur), from European forests, are extracted with water, ethanol or a glycol-water solvent and filtered. No synthetic alternative route exists for a botanical extract.
In plain English
An extract of oak wood from the English, or pedunculate, oak (Quercus robur), a common European tree. It is used in skin care as a humectant and skin-conditioning ingredient. It is made by soaking oak wood chips or shavings in a solvent and filtering the liquid.
CosIng definition: Quercus Robur Wood Extract is the extract of the wood of Quercus robur, Fagaceae.
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.
- 2QUERCUS ROBUR WOOD EXTRACT. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3QUERCUS ROBUR WOOD EXTRACT. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=QUERCUS%20ROBUR%20WOOD%20EXTRACT