What it is
In the register’s words: “Citrus Aurantium Amara (Bitter Orange) Peel Oil is the volatile oil obtained from the peel of Citrus aurantium amara.”
- EU register name (INCI)
- CITRUS AURANTIUM AMARA PEEL OIL
- CAS number
- 68916-04-1
Labels often add a second name in brackets, so a label may say Citrus Aurantium Amara (Orange) Peel Oil where the register says CITRUS AURANTIUM AMARA PEEL OIL. Both are the same ingredient.
What the register lists it for
These are the uses the European Commission’s CosIng register lists for Citrus Aurantium Amara (Orange) Peel Oil in any cosmetic, hair roles first. They say why a maker might add it, not what it does in one formula, and they aren’t a safety rating.
- Skin conditioning
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The register’s broad role for ingredients that keep skin in good condition. On a hair label it often sits beside a hair role, or marks a plant oil or extract.
Register definition: “Maintaining the skin in good condition.”
Where it sits on each label
US labels list ingredients from most to least, except that those at 1% or less may follow in any order. A name near the top is a large part of the formula. A label doesn’t mark where the 1% point falls, so further down, the order says little about how much is in it.
- Rinse-out conditioners 1 label First five names: 0 of 1 Rinse-out conditioners without it
- Leave-in conditioners 1 label First five names: 0 of 1 Leave-in conditioners without it
- Stylers 1 label First five names: 0 of 1 Stylers without it
Every label, product by product (3)
- Aunt Jackie's In Control Moisturizing Softening Conditioner Rinse-out conditioner 37th of 39 names
- Aunt Jackie's Quench! Moisture Intensive Leave-In Conditioner Leave-in conditioner 28th of 31 names
- Aunt Jackie's Don't Shrink Flaxseed Elongating Curling Gel Styler 19th of 20 names
Each line runs from the first name on a label to the last; a dot is where this ingredient sits. Makers change formulas now and then; if the list on your bottle differs, go by your bottle.
Your next step
Other skin conditioning ingredients on these labels
- Aloe Barbadensis Leaf Juice 54 labels
- Persea Gratissima (Avocado) Oil 42 labels
- Prunus Amygdalus Dulcis (Sweet Almond) Oil 16 labels
- Mauritia Flexuosa (Buriti) Fruit Oil 12 labels
- Mangifera Indica (Mango) Seed Butter 11 labels
- Ocimum Basilicum (Basil) Leaf Extract 9 labels
- Hydrolyzed Quinoa 6 labels
- Mentha Piperita (Peppermint) Leaf Extract 6 labels
Updated · The name, numbers and uses come from the European Commission’s CosIng entry (CC BY 4.0); we write the uses in US spelling and put the hair ones first. The labels are each maker’s own. The order rule is the FDA’s Cosmetics Labeling Guide. All our sources are on the Sources page.