How we scored it
Rhizome extract: sesquiterpenoids, curcuminoids and other plant constituents all n = 1; extraction solvent leaves no mass. Natural mass 100% = 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
Dominant route is water or solvent extraction of dried zedoary rhizomes. No alternative route is in commercial use.
In plain English
An extract of zedoary rhizomes, Curcuma zedoaria, a ginger-family root, used to condition skin. It is made by extracting the dried rhizomes with water or another solvent and holds the root's terpenoids, curcuminoids and other plant compounds.
CosIng definition: Curcuma Zedoaria Rhizome Extract is the extract of the rhizomes of the Zedoary, Curcuma zedoaria, Zingiberaceae
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.
- 2CURCUMA ZEDOARIA RHIZOME EXTRACT. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3CURCUMA ZEDOARIA RHIZOME EXTRACT. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=CURCUMA%20ZEDOARIA%20RHIZOME%20EXTRACT