How we scored it
Extract of plant-cell (callus) culture: cell metabolites, sugars and polyphenols are plant-made; culture-medium reagents and extraction solvent leave no mass; no synthetic fragment, 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
Callus (undifferentiated plant-cell mass) of Japanese mugwort, Artemisia princeps, is grown in culture on a nutrient medium and then extracted. No other route is used, since a callus extract exists only as a cell-culture product.
In plain English
An extract of plant cells grown in a laboratory culture (a callus) from Japanese mugwort, Artemisia princeps, rather than harvested from the field. It is listed with antioxidant, humectant, skin-conditioning, hair-conditioning and skin-protecting functions. The cells are grown on a nutrient medium and then extracted.
CosIng definition: Artemisia Princeps Callus Extract is the extract of the callus of Artemisia princeps grown in culture.
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.
- 2ARTEMISIA PRINCEPS CALLUS EXTRACT. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3ARTEMISIA PRINCEPS CALLUS EXTRACT. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=ARTEMISIA%20PRINCEPS%20CALLUS%20EXTRACT