ESSENTIAL OIL SAFETY TOXICOLOGY AND HUMAN PHYSIOLOGY
Dr. James L. Symes Professor of Chemistry _________________________________________________________________________________________________ Adverse Skin Reactions From Essential Oil Use DERMAL IRRITATION: A chemical burn due to the corrosive nature of the oil, resulting in skin damage and an inflammatory response. SENSITIZATION: An allergic reaction resulting in a histamine response. PHOTO-‐TOXICITY: A photo-‐active molecule is activated by sunlight and releases energy to the skin resulting in a burn. _________________________________________________________________________________________________
Mucous Membrane Irritants Box 6.1 Mucous Membrane irritants A: Severely irritating Recommendation—do not use on mucous membrane. B: Strongly irritating Recommendation—do not use at more than 1% concentration on mucous membrane. C: Moderately irritating Recommendation—do not use at more than 3% concentration on mucous membrane. * These oils rated here for their irritant effects, can also cause powerful allergic reactions D: Non-‐irritant Caution—some oils may occasionally cause irritation if used undiluted.
Citronella Coriander Cumin Cypress Dill seed Lavender Lemon Lemongrass Marjoram (sweet) Myrrh Neroli Nutmeg Orange
Horseradish Clove leaf Clove stem Massoia Oregano Bay leaf (W. Indian) Caraway Cassia Cinnamon Bark Pimento berry
Mustard
Angelica root Anise Basil Bergamot Buchu Cardamom Eucalyptus Fennel (bitter) Fennel (sweet) Frankincense Galnbanum Parsley herb Parsley seed Petitgrain Pine (dwarf) Rose A. Rose otto Rosewood Rue
Carrot seed Cedarwood (atlas) Cedarwood (VA) Chamomile (German) Chamomile (Roman) Clary Sage Geranium Grapefruit Hyssop Immortelle Juniper Sage (Dalmation) Sandalwood Sassafrass Tarragon Tea Tree Vetiver Wintergreen Yarrow, Ylang-‐Ylang
Pimento leaf Savory Thyme Thyme (wild) Cinnamon leaf Clove Bud Cornmint Laurel Peppermint Spearmint