How we scored it
Whole extract is botanical leaf material; extracts = 1.0 by this site's convention; no synthetic fragment.
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
Thuja Orientalis Leaf Extract is made by extracting the leaves of the Oriental thuja tree with water or solvent. No synthetic route exists.
In plain English
An extract from the leaves of the Oriental thuja (arborvitae), an evergreen tree. Used in skincare and haircare for its antioxidant and conditioning properties.
CosIng definition: Thuja Orientalis Leaf Extract is the extract of the leaves of the Thuja, Thuja orientalis L., Cupressaceae
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.
- 2THUJA ORIENTALIS LEAF EXTRACT. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3THUJA ORIENTALIS LEAF EXTRACT. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=THUJA%20ORIENTALIS%20LEAF%20EXTRACT