How we scored it
Whole comfrey leaf extract; no synthetic fragments to subtract; botanical extracts are 1.0 by rule.
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 aqueous or hydroalcoholic extraction of dried comfrey leaves. No alternative synthetic route exists.
In plain English
An extract of comfrey leaves used to soothe and condition skin in creams and lotions. Comfrey is a herbaceous plant traditionally grown for topical skincare use.
CosIng definition: Symphytum Officinale Leaf Extract is an extract of the leaves of the Comfrey, Symphytum officinale L., Boraginaceae
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.
- 2SYMPHYTUM OFFICINALE LEAF EXTRACT. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3SYMPHYTUM OFFICINALE LEAF EXTRACT. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=SYMPHYTUM%20OFFICINALE%20LEAF%20EXTRACT