29/11/2025
Benefits of Clove essential oil
6 Ways Clove Bud Oil Fights Viruses
Traditionally used in herbal medicine for its warming, purifying qualities, clove bud oil (Syzygium aromaticum) was often diffused in sickrooms or added to steam inhalations to help clear the air and support the body’s defenses. Its rich, spicy aroma signaled strength and protection—and modern research now echoes that wisdom.
These findings come from a new review published in 2025 (Chen et al.) on the antiviral potential of eugenol, the main component in clove bud oil. Researchers reviewed a wide collection of studies and compiled their findings. They found:
1. It blocks viral entry: Eugenol can attach to viral proteins—the parts that normally bind to our cells—and prevent the virus from getting inside. This means it can stop infection before it begins.
2. It slows viral replication: Once a virus is inside the cell, it hijacks the cell’s machinery to make copies of itself. Eugenol interferes with that process, weakening the virus’s ability to multiply.
3. It calms inflammation: Many viral infections cause inflammation—sometimes dangerously so. Eugenol can tone down this overreaction by blocking key inflammatory pathways in the body, especially the NF-κB pathway, which controls the release of inflammatory molecules.
4. It reduces oxidative stress: Viral infections often create oxidative stress—a flood of unstable oxygen molecules that damage tissues. Eugenol’s antioxidant power helps neutralize these free radicals and protect cells from harm.
5. It induces autophagy—the cell’s cleanup process: “Autophagy” is a normal process where cells recycle damaged parts. Some viruses hijack this process to help themselves replicate. Eugenol helps restore balance, preventing viruses from turning this system to their advantage.
6. It protects tissues from viral damage: Eugenol helps shield the body’s tissues from damage caused by infection. It can protect the heart, lungs, and other organs from viral inflammation and cell injury by stabilizing cell membranes, improving blood flow, and supporting the repair of damaged tissue.
Research is still evolving, but it’s fascinating to see modern science affirm what herbalists have known for centuries: the clove bud carries protective wisdom within its aromatic heart. While it doesn't replace medical care when it's needed, clove bud essential oil can be an important addition to your winter wellness routine.
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Safety Note: Because eugenol is a phenol, clove bud oil can easily irritate the skin or mucous membranes. Always dilute it well in a carrier oil before topical application, typically at no more than 0.5% for general applications. That’s about 2–3 drops per 1 fl oz (30 ml) of carrier.
- We prefer to avoid using this oil for children under 10, or any person with sensitive skin.
- Avoid if you have a clotting disorder, are taking an anticoagulant drug, and after surgery.
- Avoid if you have impaired liver function.
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Chen, M., Nie, Y.-K., Liu, X.-Y., Liu, Y., & Guo, D.-Y. (2025). Antiviral properties of the natural product eugenol: A review. Fitoterapia, 185, 106674
