How we scored it
Whole botanical bark extract; every atom is plant-derived, so NOI = 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
Extracted from the bark of the sweet chestnut tree, Castanea sativa, Fagaceae, typically with water or a water/alcohol mix. No synthetic alternative exists.
In plain English
An extract from the bark of the sweet chestnut tree. Used in skincare to condition and soothe the surface of the skin.
CosIng definition: Castanea Sativa Bark Extract is an extract of the bark of Chestnut, Castanea sativa, 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.
- 2CASTANEA SATIVA BARK EXTRACT. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3CASTANEA SATIVA BARK EXTRACT. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=CASTANEA%20SATIVA%20BARK%20EXTRACT