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Hazardous Essential Oils

Stay Away From These


Essential oils are amazing products of our natural world. The oils of aromatic plants have been used for centuries for both their smell and their medicinal applications. But just because something is natural doesn't mean it's good for you. Think hemlock. Maybe just part of the plant is poisonous. The beans of the castor plant make castor oil...but they also produce ricin, a highly toxic poison. Sometimes the plant may not be toxic, but just cause skin irritation - poison ivy, for example.

So...though they may smell great, there are some essential oils that just need to be left alone...or at the very least, only used only by someone with significant essential oil experience.

Below are some of the oils that should be avoided in soap making, bath & body products, and candle making:

  • almond (bitter)
  • arnica
  • calamus
  • chervil
  • cinnamon (bark)
  • costus
  • deertongue
  • fennel (bitter)
  • horseradish
  • mugwort
  • mustard
  • oregano
  • pennyroyal
  • rue
  • sage (common)
  • sassafras
  • savory
  • tansy
  • thuja
  • thyme (red)
  • tonka
  • wintergreen
  • wormseed
  • wormwood
Note: This list is not comprehensive of every single essential oil that may cause harm. It is for general information and reference only.

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