Thuja Occidentalis Leaf Oil
Thuja Occidentalis Leaf Oil is a perfuming and tonic ingredient. It’s in 2 products on Poliage, most often shampoo. Avoid lists on Poliage that include it: Essential oils.
Updated October 21, 2026
What it does
Contains Thuja Occidentalis Leaf Oil: masking
Function listed in CosIng
Contains Thuja Occidentalis Leaf Oil: perfuming
Function listed in CosIng
Contains Thuja Occidentalis Leaf Oil: tonic
Function listed in CosIng
Source: CosIng, the European Commission cosmetic ingredient database, ref 80246, accessed October 22, 2026.
Products that contain Thuja Occidentalis Leaf Oil
Related guides
How to read an ingredient list
What the ingredient list on a beauty product tells you, what the names mean, and what it leaves out, using FDA and EU labeling rules.
Does ingredient order show how much is in a product?
Ingredient lists run from most to least, but only down to 1%. Below that, any order is allowed. What the order shows and what it hides.
How do you patch test a new product?
What the AAD, FDA and DermNet say about testing a small area, the FDA hair dye skin test, in-office patch tests, and contact allergy basics.