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Complete Guide to Essential Oils/A to Z of essential oils/Oregano
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right|150px|Oregano
Oregano (Origanum vulgare)
Oregano oil comes from the flowering tops of the Origanum vulgare plant. It has a spicy scent.
Properties
thumb|Origanum compactum essential oil.
Oregano oil is not used in aromatherapy due to its toxicity and irritant effect.
Caution
Don't use oregano oil during pregnancy.
Oregano oil is very irritating to the skin and mucus membranes.
Oregano
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