How we scored it
Whole horsetail stem extract; no synthetic fragments; 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 horsetail stems. No alternative synthetic route exists.
In plain English
An extract of horsetail stems used as an astringent, emollient and toning ingredient in skin and hair products. Horsetail is a fern-like plant.
CosIng definition: Equisetum Arvense Extract is an extract of the sterile caules of the Horsetail, Equisetum arvense L., Equisetaceae
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.
- 2EQUISETUM ARVENSE EXTRACT. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3EQUISETUM ARVENSE EXTRACT. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=EQUISETUM%20ARVENSE%20EXTRACT