Sweet Orange (Citrus sinensis)

Citrus sinensis

Chemotype: not chemotype-differentiated; a limonene-dominant cold-pressed peel oil

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PLANT PART: peel (fruit rind)
EXTRACTION: cold-pressed
AROMA NOTE: top

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What’s inside this oil?

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FOLLOW YOUR SENSES

Aroma & character

A closer look at this oil's scent, strength, and staying power.

citrussweetfreshfruity

Aroma intensity: 35 / 100

Soft & subtleBold & expressive

Note layer: top
Approximate tenacity: 1–4 hours

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A LITTLE CARE GOES A LONG WAY

Using it thoughtfully

Read the full safety context before bringing this oil into your routine.

Cited dermal maximum · leave-on: Unknown
Phototoxicity: Not flagged in this profile
Oxidation risk: high

A cited maximum is a limit, not a suggested dilution. Missing restrictions do not establish safety.

Public sources conflict: Tisserand Institute says sweet orange is generally thought not to be phototoxic even if expressed, while CIR's citrus peel oil report discusses phototoxic potential in some studies including sweet orange oil at 1% in a human study. This record follows the Tisserand classification for the default leave-on gate, with no numeric phototoxic cap asserted.

Contraindications & cautions

minorHigh d-limonene content (~90-95%) oxidizes readily to sensitizing hydroperoxides; store cool/dark, use antioxidant, avoid oxidized oil.

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THE SCIENCE BEHIND THE SCENT

Inside the oil

8 constituents

An oil's character comes from its natural chemical composition. Explore each constituent to understand the connections.

About this composition

Cold-pressed sweet orange peel oil is >90% monoterpene hydrocarbons, overwhelmingly (R)-(+)-limonene. Trace oxygenated aldehydes (octanal, decanal) and sesquiterpenes (valencene) drive the characteristic odour despite very low %.

Constituent	Typical amount	Reported range	Chemical family	Source
Limonene (d-limonene)	94%	85–96%	Monoterpenes	View source Cold-pressed sweet orange peel oil GC-MS (limonene 87.9-92.5%, up to 94%) https://pmc.ncbi.nlm.nih.gov/articles/PMC9952847/
beta-Myrcene	2%	1.2–3.5%	Monoterpenes	View source Cold-pressed sweet orange peel oil GC-MS (myrcene 2.0-3.2%) https://pmc.ncbi.nlm.nih.gov/articles/PMC9952847/
alpha-Pinene	0.6%	0.4–2.4%	Monoterpenes	View source Sweet orange peel EO GC-MS (alpha-pinene 0.5-2.4%) https://pmc.ncbi.nlm.nih.gov/articles/PMC9952847/
Sabinene	0.4%	0.2–1%	Monoterpenes	View source Sweet orange peel EO GC-MS https://pmc.ncbi.nlm.nih.gov/articles/PMC9952847/
Linalool	0.5%	0.3–1.5%	Monoterpenols	View source Sweet orange peel EO GC-MS (linalool ~0.9-1.2%) https://pmc.ncbi.nlm.nih.gov/articles/PMC9952847/
Octanal	0.4%	0.2–1.3%	Aldehydes	View source Sweet orange peel EO GC-MS (octanal 0.6-1.3%) https://pmc.ncbi.nlm.nih.gov/articles/PMC9952847/
Decanal	0.25%	0.1–0.5%	Aldehydes	View source Sweet orange peel EO GC-MS (decanal ~0.2%) https://pmc.ncbi.nlm.nih.gov/articles/PMC9952847/
Valencene	0.2%	0.02–0.5%	Sesquiterpenes	View source Sweet orange peel EO GC-MS (trace sesquiterpene, odour-active) https://pmc.ncbi.nlm.nih.gov/articles/PMC9952847/

Profile source: Safety Assessment of Citrus-Derived Peel Oils as Used in Cosmetics; Chemistry and Pharmacology of Citrus sinensis; Citruses: a comparison of different oils · https://www.cir-safety.org/sites/default/files/cpeelo092014FR.pdf ; https://www.mdpi.com/1420-3049/21/2/247 ; https://tisserandinstitute.org/learn-more/citruses-a-comparison-of-different-oils/

What we're still learning · 2 data gaps

Good decisions start with knowing what is — and isn't — in the evidence.

No real cited leave-on maximum dermal percentage was found for sweet orange peel oil, so max_dermal_pct remains null.
Phototoxicity literature is mixed for sweet orange: CIR reports phototoxic potential in some studies, while Tisserand Institute classifies Citrus sinensis as generally non-phototoxic; the record follows the latter for default leave-on use.