Hazordous Oils
The following oils are considered hazardous and present risks either
by toxicity, skin irritation or sensitization. This list is not
be complete and is not guaranteed.
Bitter almond (Prunus amygdalus var. amara)
Boldo leaf (Peumus boldus)
Calamus (Acorus calamus)
Camphor yellow and brown (Cinnamomum camphora)
Horseradish (Cochlearia armoracia)
Jaborandi leaf (Pilocarpus jaborandi)
Mugwort (Artemesia valgaris)
Mustard (Brassica nigra)
Pennyroyal, European (Mentha pulegium)
Pennyroyal, N. American (Hedeoma pulegioides)
Rue (Ruta graveolens)
Sassafras (Sassafras officinale)
Sassafras, Brazilian (Ocotea cymbarum)
Savin (Juniperus sabina or Sabina cacumina)
Southernwood (Artemesia abrotanum)
Tansy (Tanacetum vulgare)
Thuja (Cedarleaf) (Thuja occidentalis)
Western Red Cedar (Thuja plicata)
Wintergreen (Gaultheria procumbens)
Wormseed (Chenopodium anthelminticum)
Remember also that beneficial essential oils, although safe when
used under recommended conditions, can also be hazardous if
used in excess or if there is a medical condition that is contra-indicated.
Thank You,
Barbara Foley-Drobnick
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