How we scored it
Solvent extract of buchu leaves: flavonoids (diosmin, rutin), terpenoids and sugars are plant-made; extraction solvent leaves 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
Solvent extraction (water, alcohol or glycol-water) of the leaves of buchu (Barosma betulina, now Agathosma betulina), a shrub native to South Africa. No synthetic route exists; the extract is the whole botanical preparation.
In plain English
An extract of the leaves of buchu, a shrub native to South Africa, made by soaking the leaves in a solvent and concentrating the liquid. It is listed as a skin-conditioning and perfuming ingredient. It carries the leaf's flavonoids and some of its minty, fruity aroma compounds.
CosIng definition: Barosma Betulina Leaf Extract is an extract of the leaves of Barosma betulina, Rutaceae
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.
- 2BAROSMA BETULINA LEAF EXTRACT. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3BAROSMA BETULINA LEAF EXTRACT. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=BAROSMA%20BETULINA%20LEAF%20EXTRACT