[Chanel perfumer Olivier] Polge says he bears sustainability practices in mind “more than ever” when creating perfume. In the fields, there is the specific regeneration of bulbs – kept from one year to another (for tuberose, specifically), maintaining the water source with a specific irrigation system, while consumption is constantly monitored. In the Chanel factories, where essential oils are extracted via gentle steam distillation, sustainable energy sources are prioritised and monitored.

— Read more at From flower to fragrance: the craftsmanship of a Chanel perfume at Harper's Bazaar.