How we scored it
Botanical extract: all atoms plant-derived = 1.00.
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
Sweet flag rhizomes are extracted with a solvent and the extract concentrated. No synthetic route exists.
In plain English
An extract of the underground stems (rhizomes) of sweet flag, a wetland plant, used to condition skin. It is made by extracting the rhizomes with a solvent.
CosIng definition: Acorus Calamus Rhizome Extract is the extract of the rhizomes of Acorus calamus L., Acoraceae
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.
- 2ACORUS CALAMUS RHIZOME EXTRACT. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3ACORUS CALAMUS RHIZOME EXTRACT. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=ACORUS%20CALAMUS%20RHIZOME%20EXTRACT