The ingredient, explained
Cinnamomum Cassia Leaf Oil
Cassia Oil; Cassia leaf Oil; Cinnamon Oil Chinense. Cinnamomum Cassia Leaf Oil is the volatile oil obtained by steam distillation from the leaves and twigs of the Chinese Cinnamom, Cinnamomum cassia -L.-, Lauraceae.
Ingredient guide
What it is and what it does
About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗
- Denaturant
- Makes a product unpalatable, often in alcohol-containing formulas.
- Masking
- Reduces or conceals the formula's underlying odour or taste.
- Perfuming
- A formulation role for perfume and aromatic raw materials that give a product its scent.
Function definitions: European Commission ingredient function definitions (SCCNFP/0299/00, pages 16 to 20) ↗ · Danish Environmental Protection Agency: Cosmetic fragrance functions ↗
Registry functions describe possible formulation roles, not results for a finished product. A dictionary entry is not an approval or a safety assessment.
A closer look
What the research shows
We have not yet published a checked study for this exact ingredient. This is a gap in our coverage, not a finding that research does not exist or that the ingredient is ineffective.
Ingredient research is not proof that a product containing this ingredient works.
Follow the formula
Products containing this ingredient
From the wider catalogue. Linked by the ingredient list, without an efficacy ranking.
Names and identifiers
- INCI name on ingredient lists
- CINNAMOMUM CASSIA LEAF OIL
- CAS registry number
- 84961-46-6, 8007-80-5
- EC number
- 284-635-0 / -
Sources for this ingredient record
- EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗ · ODbL 1.0 (Open Beauty Facts database) · Recorded Aug 8, 2026