INCI name

CINNAMOMUM CASSIA LEAF OIL

Cassia leaf oil

A volatile oil from the leaves and twigs of Chinese cinnamon, used as a fragrance.

What it is

Cinnamomum cassia leaf oil, also called cassia oil, is the volatile oil obtained by steam distillation of the leaves and twigs of Chinese cinnamon, Cinnamomum cassia, of the laurel family (Lauraceae). Its main constituent is cinnamal (cinnamaldehyde). CosIng lists it as a denaturant, fragrance and perfuming ingredient.

Where it is used

Found in scented products such as soaps, shower gels, body oils, oral care products and seasonal fragrances.

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.

As a natural material, its composition can vary between batches. Fragrance allergens it contains, such as cinnamal, may be listed separately on the label.

Functions

Denaturant
Rendering cosmetics unpalatable. Mostly added to cosmetics containing ethyl alcohol to make it unsuitable for ingestion.
Fragrance
Imparting an odour or taste. Creating a perceivable pleasant smell and/or masking a bad smell.
Perfuming
Used for perfume and aromatic raw materials.

EU regulation

EU · Annex III, entry 348Cinnamomum cassia leaf Oil
As of
3 November 2026 · (EU) 2023/1545

Products with this ingredient (9)

Check a full ingredient list