The plate: bitter orange (neroli, orange blossom, petitgrain)
Planche XV · BigaradierBitter orange (neroli, orange blossom, petitgrain) · Citrus × aurantium (C. aurantium L.; sour, Seville or bigarade orange)

Ingredients · Citrus · top note

Bitter orange oil

Drier and greener than sweet orange; bitter zest, faintly floral and woody.

What it is
Natural oil from cold-pressed peel of the Seville (bitter) orange.
Where it comes from
mainly Spain and Italy
When you smell it
Top notes: when you spray it.
What perfumers do with it
Gives orange a sophisticated, bittersweet edge in colognes, chypres and neroli accords.
Worth knowing
One tree, three perfumes: its flowers give neroli, its leaves petitgrain, and its peel this oil.
Rules
Limited. Phototoxic furocoumarins; capped in leave-on skin products
Also called
Citrus aurantium var. amara peel oil; bigarade, Seville orange

On the label of 148 of the 1080 perfumes read so far

SauvageDior · printed “Citrus aurantium peel oil”ShalimarGuerlain · printed “Citrus aurantium peel oil”Eau SauvageDior · printed “Citrus aurantium peel oil”Good GirlCarolina Herrera · printed “Citrus aurantium peel oil”Bleu de ChanelChanel · printed “Citrus aurantium peel oil”Coco MademoiselleChanel · printed “Citrus aurantium peel oil”

Named by the house, not on the label, in 2

Journey ManAmouage · “Bigarade”Dylan PurpleVersace · “italy orpur”

Sources