The ingredient, explained
Citrus Aurantium Amara Leaf/twig Oil
Citrus Aurantium Amara Leaf/Twig Oil is the volatile oil obtained from the leaves and twigs of the Bitter Orange, Citrus aurantium L. var. amara L., Rutaceae
Ingredient guide
What it is and what it does
About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗
- Flavouring
- Adds or modifies a product's flavour, including in oral-care products such as toothpaste.
- Masking
- Reduces or conceals the formula's underlying odour or taste.
Function definitions: European Commission JRC: Flavouring roles in toothpaste formulations ↗ · European Commission ingredient function definitions (SCCNFP/0299/00, pages 16 to 20) ↗
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
- CITRUS AURANTIUM AMARA LEAF/TWIG OIL
- CAS registry number
- 68916-04-1, 72968-50-4
- EC number
- - / 277-143-2
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