Sweet Orange Peel Oil
Essential oil from sweet orange peel with limonene as the main component. Oxidizes in air to form strong contact allergens.
Evidence by route
Topical application
Less phototoxic than bergamot and lemon, but oxidized limonene triggers contact dermatitis. Best avoided on sensitive skin and in sunny conditions.
How to read tiers A–F
- CWeak evidence. In vitro data, open-label studies, or expert consensus
Tolerability and safety
- Irritation potential
- Medium
- Allergen risk
- High
- Pregnancy
- Caution
- Suitable for
- Normal, Oily, Combination
- Use with caution
- Sensitive, Dry
About this ingredient
Sweet Orange Peel Oil (Citrus Aurantium Dulcis Peel Oil) is a cold-pressed essential oil from sweet orange peel. Composition: limonene (90–95%), myrcene (1–4%), linalool, citral, α-pinene. Mechanism. Aromatic and antimicrobial component. Limonene suppresses S. aureus, Cutibacterium acnes, Candida albicans growth in vitro. Citrus scent improves consumer properties of formulas. Where applied. Natural and craft cosmetics, aroma products, shampoos, conditioners, perfumery. Concentration 0.1–1%. Evidence base. No topical clinical RCTs. CIR confirmed safety at cosmetic concentrations. Safety. Limonene and linalool are known contact allergens (EU Regulation 1223/2009 lists 26 fragrance allergens). At concentrations above 0.01% in leave-on and 0.1% in rinse-off products, labeling is mandatory. Contact allergies in 1–3% of the general population, up to 5–10% in atopic dermatitis patients (Heisterberg 2011). Oxidized forms are more allergenic. Phototoxicity. Sweet orange, unlike bitter orange (Citrus aurantium amara) and bergamot, contains few furanocoumarins; phototoxic risk is low. Still, at concentrations above 1–2% do not apply to skin within 12 hours of sun exposure. Pregnancy and lactation – use with caution. Topically up to 0.5% – acceptable. Avoid application on abdomen, breast, nipples. In lactation do not apply on the breast.
Frequently asked questions
Is Sweet Orange Peel Oil safe during pregnancy?
Sweet Orange Peel Oil should be used with caution during pregnancy. Consulting a dermatologist or OB-GYN is advisable.
What skin types is Sweet Orange Peel Oil for?
Sweet Orange Peel Oil suits: normal, oily, combination. Use with caution in: sensitive, dry.
Can Sweet Orange Peel Oil irritate the skin?
Sweet Orange Peel Oil has moderate irritation potential. Sensitive skin may show a transient reaction that usually settles with adaptation.
Can Sweet Orange Peel Oil cause an allergic reaction?
Sweet Orange Peel Oil has high allergen potential. Perform a patch test on the inner forearm 24 hours before facial application.
What is Sweet Orange Peel Oil and what does it do in cosmetics?
Essential oil from sweet orange peel with limonene as the main component.
What's the INCI name for Sweet Orange Peel Oil?
The INCI name is Citrus Aurantium Dulcis Peel Oil. It may also appear as: Orange Peel Oil, Sweet Orange Peel Oil.
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