How we scored it
Botanical root extract; this site's convention values botanical extracts at 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 roots of Dioscorea opposita (Chinese yam) using water or water/solvent extraction. No synthetic alternative exists.
In plain English
An extract from Chinese yam root used to condition skin, obtained by extracting the roots of the Dioscorea opposita plant.
CosIng definition: Dioscorea Opposita Root Extract is an extract of the roots of Dioscorea opposita, Dioscoreaceae
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.
- 2DIOSCOREA OPPOSITA ROOT EXTRACT. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3DIOSCOREA OPPOSITA ROOT EXTRACT. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=DIOSCOREA%20OPPOSITA%20ROOT%20EXTRACT