How we scored it
Botanical extract of oak bark; 100% plant-derived mass = 1.0
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
Solvent or aqueous extraction from oak bark (Fagaceae). No synthetic alternative route exists.
In plain English
An extract of oak bark, used to help reduce excess skin oil (sebum). Obtained directly from the bark.
CosIng definition: Quercus Petraea Bark Extract is an extract of the bark of the Oak, Quercus petraea, 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 PETRAEA BARK EXTRACT. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3QUERCUS PETRAEA BARK EXTRACT. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=QUERCUS%20PETRAEA%20BARK%20EXTRACT