Essential NoseCypress
Cypress essential oil from Cupressus sempervirens branches and leaves is dominated by alpha-pinene (~48%) and delta-3-carene (~22%), with lesser amounts of terpinen-4-ol, limonene, and cedrol. The oil demonstrates potent antibacterial activity including complete inhibition of both antibiotic-susceptible and antibiotic-resistant Helicobacter pylori at 0.1% v/v, alongside significant antifungal and antioxidant properties.[1] Antioxidant activity against DPPH and ABTS radicals, antibacterial effects, and insecticidal activity have been confirmed in a further systematic study.[2]
Mediterranean Cypress
Cupressus sempervirens
- Also Known As
- Cypress, Italian Cypress
- Family
- Woody
- Perfumery Note
- Middle
- Intensity
- Medium
- Extraction
- Steam Distillation
- Plant Parts
- Wood
- Origins
- France, Spain, Morocco
- Effect
- Grounding & Centering, Respiratory Support
- Aroma
- Woody, Fresh, Evergreen
- Applications
- Aromatherapy, Massage, Skincare, Medicinal
- Price
- $$$$Widely grown across France, Spain, and Morocco; the wood and foliage are abundant and steam distillation is straightforward, keeping this the more accessible of the two cypress oils.
Cypress essential oil from Cupressus sempervirens branches and leaves is dominated by alpha-pinene (~48%) and delta-3-carene (~22%), with lesser amounts of terpinen-4-ol, limonene, and cedrol. The oil demonstrates potent antibacterial activity including complete inhibition of both antibiotic-susceptible and antibiotic-resistant Helicobacter pylori at 0.1% v/v, alongside significant antifungal and antioxidant properties.[1] Antioxidant activity against DPPH and ABTS radicals, antibacterial effects, and insecticidal activity have been confirmed in a further systematic study.[2]
Blue Cypress
Callitris intratropica
- Also Known As
- Australian Blue Cypress, Northern Cypress Pine, Blue Cypress Pine
- Family
- Woody
- Perfumery Note
- Base
- Intensity
- Medium
- Extraction
- Steam Distillation
- Plant Parts
- Wood, Bark
- Origins
- Australia
- Effect
- Grounding & Centering, Sleep & Relaxation
- Aroma
- Woody, Balsamic, Warm, Sweet
- Applications
- Aromatherapy, Perfumery, Skincare
- Price
- $$$$Harvested only from wild and plantation-grown trees in Australia's Northern Territory; the dense heartwood requires prolonged distillation, and the rich cobalt-blue guaiazulene content makes it substantially costlier than common cypress oils.
Blue Cypress essential oil, steam-distilled from the wood and bark of Callitris intratropica, is composed largely of the sesquiterpene alcohols guaiol (~13-18%) and bulnesol (~8-12%) alongside alpha-, beta-, and gamma-eudesmol isomers, precursors that undergo dehydrogenation during distillation to form the azulene compounds (chamazulene and guaiazulene) responsible for its striking cobalt-blue color. In vitro and in vivo testing found the oil to have moderate antioxidant activity and anti-inflammatory effects, supporting its long-standing use by Aboriginal communities of Arnhem Land for skin and wound care.[3] A 2023 laboratory and field trial found a topical blue cypress formulation provided initial mosquito-repellent protection, though its effect declined markedly faster than DEET within the first hour of application.[4] The oil's warm, woody-balsamic profile and geographic rarity make it a prized base note in modern niche perfumery and skincare formulations, distinct from the fresh evergreen character of Mediterranean Cypress.
References
- [1]Chemical composition, antimicrobial and antibiofilm activity of the essential oil and methanol extract of the Mediterranean cypress (Cupressus sempervirens L.) — Selim SA et al. Ann Clin Microbiol Antimicrob, 2014
- [2]Antioxidant, antibacterial and insecticidal activities of cypress (Cupressus sempervirens L.) essential oil — Ben Farhat M et al. Molecules, 2023
- [3]Antioxidant and Anti-inflammation Activities of Ocotea, Copaiba and Blue Cypress Essential Oils in Vitro and in Vivo - Destryana RA et al. J Am Oil Chem Soc, 2014
- [4]Mosquito Repellent Efficacy of Australian Blue Cypress Callitris intratropica Essential Oil and a Topical Formulation under Laboratory and Field Conditions - Koinari M et al. Am J Trop Med Hyg, 2023