Directory of Essential Oils for Aromatherapy

Hazardous Essential Oils

Oils That Should Not Be Used At All In Aromatherapy
Almond, Bitter	Prunus amygdalis, var. amara
Aniseed	Pimpinella anisum
Arnica	Arnica montana
Boldo Leaf	Peumus boldus
Calamus	Acorus calamus-acorus
Camphor	Cinnamomum camphorus
Cassia	Cinnamomum cassia
Cinnamon Bark	Cinnamomum zeylanicum
Costus	Saussurea lappa
Elecampane	Inula helenium
Fennel (Bitter)	Foeniculum vulgare
Horseradish	Cochlearia armorica
Jaborandi Leaf	Pilocarpus jaborandi
Mugwort (Armoise)	Artemisia vulgaris
Mustard	Brassica nigra
Origanum	Origanum vulgare
Origanum (Spanish)	Thymus capitatus
Pennyroyal (European)	Mentha pulegium
Pennyroyal (N. American)	Hedeoma pulegioides
Pine (Dwarf)	Pinus pumilio
Rue	Ruta graveolens
Sage	Salvia officinalis
Sassafras	Sassafras albidum
Sassafras (Brazilian)	Ocotea cymbarum
Savin	Juniperus sabina
Savory (Summer)	Satureia hortensis
Savory (Winter)	Satureia montana
Southernwood	Artemisia abrotanum
Tansy	Tanacetum vulgare
Thuja (Cedarleaf)	Thuja ocddentalis
Thuja Plicata	Thuja plicata
Wintergreen	Gaultheria procumbens
Wormseed	Chenopodium anthelminticum
Wormwood	Artemisia absinthium