This study analyses the French essential oils market, from the aromatherapy bottle sold in pharmacies to the ingredients bought by perfumers and manufacturers. It describes consumer uses, their selection criteria and the role of advice, then compares sales channels: pharmacies and parapharmacies, organic stores, specialist retailers, garden centres and direct sales by producers. In pharmacies and parapharmacies, sales of single oils and complex products reached 192 million euros in 2025, down 14,6 % year on year, and three brands, Puressentiel, Pranarôm and Phytosun Arôms, accounted for 53 % of sales in 2024. The study then traces the supply chain upstream: lavender and lavandin growing, distillation, trading, international trade and industrial employment. It shows how overproduction and stocks weigh on prices and on farm incomes, while lavandin oil production reached 1 650 tonnes in 2024, compared with 2 100 in 2021. The strategies of Aroma-Zone, Puressentiel, Salvia Nutrition, Essenc