Citrus Aurantium Dulcis (Orange) Peel Oil Worst Antioxidant No known benefits Citrus Aurantium Dulcis (Orange) Peel Oil at a glance Oil from the peel of sweet oranges Mainly used as a fragrance ingredient Contains a high amount of irritating limonene Can make skin more sun-sensitive Citrus Aurantium Dulcis (Orange) Peel Oil description _Citrus aurantium dulcis_ (orange) peel oil comes from a fruit commonly known as sweet orange. In cosmetics, it is largely used as a fragrance ingredient since its fresh citrus scent has broad appeal. While this oil might smell sweet, its impact on skin is anything but. It has a high content of limonene, a volatile compound that causes skin sensitization. It also contains furanocoumarin, a compound that is mildly phototoxic (meaning it can make skin more likely to burn when exposed to UV light). Usage ranges for _Citrus aurantium dulcis_ (orange) peel oil in cosmetics are between 0.00002% to 29%, with the 29% being in hair conditioners. Although we’re not a fan of this ingredient, it’s far less threatening in rinse-off formulations. Related ingredients: Citrus Aurantium Citrus Aurantium Amara Fruit Extract Limonene