Orange Terpenes

ORA

4/10

Concern level

Moderate concern

Orange terpenes are a terpene-rich citrus fragrance mixture, typically dominated by d-limonene and related monoterpenes. In cosmetics they are used mainly as a fragrance and scent-masking ingredient rather than for direct skin treatment benefits. Because they are volatile and readily oxidize on air exposure, their oxidation products can be more irritating and more allergenic than the fresh material.

Pore-clogging

Low

Pregnancy

Safe

Regulatory

No data

Concerns

Essential OilFragrance

Chemical Properties

Typical Concentration

0.01% - 5.00%

CAS Number: 68647-72-3

Skin Type Compatibility

dry skin4/10

oily skin5/10

sensitive skin1/10

acne prone3/10

mature skin3/10

normal skin5/10

Interactions

incompatible with: other fragrance ingredients, oxidation-sensitive fragrance terpenes, known allergens such as limonene oxidation products, strong exfoliating acids on irritated skin, retinoids if skin is already sensitized

Risks & Warnings

Common concern is allergic contact dermatitis and skin irritation, especially after oxidation on storage or repeated exposure. Citrus terpenes can also contribute to eye irritation and can increase sensitization risk in fragrance-sensitive individuals. Avoid use on compromised, inflamed, or highly reactive skin; oxidized material should be considered higher risk.

Vegan Cruelty-Free

Found In Products

EADEM