Complete Guide to Essential Oils/A to Z of essential oils/Oregano
Oregano oil comes from the flowering tops of the Origanum vulgare plant. It has a spicy scent.
- Oregano (Origanum vulgare)
Oregano oil is not used in aromatherapy due to its toxicity and irritant effect.
- Don't use oregano oil during pregnancy.
- Oregano oil is very irritating to the skin and mucus membranes.