How we scored it
Essential oil steam-distilled from Thuja leaves/twigs; entire molecule plant-derived, distillation adds no mass.
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
Steam-distilled from the leaves and twigs of Thuja occidentalis (arborvitae). No alternative synthetic route is used commercially.
In plain English
A fragrant essential oil steam-distilled from arborvitae (thuja tree) leaves and twigs. Used in perfumery and as a skin tonic. Comes straight from the plant with no chemical modification.
CosIng definition: Thuja Occidentalis Oil is the volatile oil expressed from the leaves and twigs of the Thuja, Thuja occidentalis L., Cupressacea
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 OCCIDENTALIS LEAF OIL. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3THUJA OCCIDENTALIS LEAF OIL. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=THUJA%20OCCIDENTALIS%20LEAF%20OIL