Understanding the material
IFF lists pink and white grapefruit oils and processed heart materials in its citrus portfolio. The colour or variety, extraction and refining history all help specify the supplied product. A bitter impression in a perfume is descriptive rather than a taste measurement, and it does not reveal which materials create the effect.
Compare grapefruit with mandarin and lemon. Is the contrast mainly bitterness, sweetness association or the balance between juicy flesh and peel?
Explore the relationships
Continue with Mandarin, Lemon, Pink pepper. These connections are comparisons for studying finished fragrances, rather than mixing instructions.
Technical references
Supplier references describe their specific materials. The botanical image is illustrative and does not certify species, provenance, grade or ingredients in a finished perfume.