An essential oil from the leaves and twigs of northern white cedar, used as a fragrance ingredient and regulated in Annex III.
What it is
Thuja occidentalis leaf oil is, according to CosIng, the volatile oil obtained from the leaves and twigs of the northern white cedar (arborvitae), Thuja occidentalis, a conifer of the cypress family (Cupressaceae). CosIng lists it as a fragrance, perfuming and tonic ingredient. In the EU it is covered by an entry in Annex III (substances subject to restrictions).
Where it is used
Found in a small number of scented products.
Limits of interpretation
The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.
See the EU regulation section for the applicable limits and conditions; according to the Annex III entry, the limit applies to the substance itself, not to the finished product.
Functions
EU regulation
- Conditions and warnings
- (15 ) This limit applies to the substance and not to the finished cosmetic product.’
- As of
- 3 November 2026 · (EC) 2013/344