BLUE TANSY
| Botanical Name | Tanacetum annuum |
| Botanical family | Asteraceae |
| Origin | Morocco |
| Method | Complete distillation by steam distillation |
| Plant part | Flowering tops |
| Note | Middle |
| Appearance | limpid, fluid and mobile liquid |
| Color | indigo blue |
| Odor | powerful, herbaceous, with floral and fruity notes |
| Biochemical composition of the essential oil | Sesquiterpenes (20–30%): chamazulene Monoterpenes (40–50%): limonene |
| Therapeutic properties | Anti-inflammatory +++ Antipruritic ++++ Antihistamine +++ Decongestant +++ Analgesic ++ |
| Main therapeutic indications | Asthma, allergic asthma ++++ Bronchitis, emphysema +++ Dermatitis of all kinds ++++ Rosacea +++ Neuralgia, neuritis, sciatica +++ Pruritus, hives +++ |