How we scored it
Whole botanical bark extract; this site's convention scores all plant extracts 1.0 regardless of extraction solvent.
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 extracting horse chestnut (Aesculus hippocastanum) bark with water or a water-alcohol mixture. No synthetic alternative route exists.
In plain English
A natural extract from horse chestnut bark, used in skincare for its toning and astringent effect on skin. It's made by soaking or extracting the bark in water or a water-alcohol blend.
CosIng definition: Aesculus Hippocastanum Bark Extract is an extract of the bark of the Horse Chestnut, Aesculus hippocastanum L., Hippocastanaceae
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.
- 2AESCULUS HIPPOCASTANUM BARK EXTRACT. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3AESCULUS HIPPOCASTANUM BARK EXTRACT. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=AESCULUS%20HIPPOCASTANUM%20BARK%20EXTRACT