How we scored it
Botanical bark extract (black willow); extracts = 1.0 per this site's method.
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
Produced by extracting the bark of black willow (Salix nigra) with solvent or water. No alternative synthetic route exists.
In plain English
An extract of black willow bark, used to protect skin. Willow bark naturally contains salicin, related to the compound in aspirin. Made by extracting the dried bark directly.
CosIng definition: Salix Nigra Bark Extract is an extract of the bark of the Black Willow, Salix nigra, salicaceae
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.
- 2SALIX NIGRA BARK EXTRACT. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3SALIX NIGRA BARK EXTRACT. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=SALIX%20NIGRA%20BARK%20EXTRACT