Here is a non-exhaustive list of oils regularly found andthe use of which is not recommended in the presence of animals1 :
- Garlic (Allium sativum)
- Aloe Vera (Aloe barbadensis): it is often soybean oil with aloe gel, therefore not recommended.
- Amyris (Amyris balsamifera)
- Angelica officinalis (Angelica archangelica)
- Star anise (Illicium verum)
- Artemisia vulgaris (and other species)
- Lemon basil (Ocimum X citriodorum)
- Sacred basil, Tulsi (Ocimum tenuiflorum, Ocimum sanctumtum)
- Benzoin (Styrax benzoin)
- Agarwood, Calambac (Aquilaria malaccensisis)
- Rosewood (Aniba rosaeodora)
- Boswellia frereana
- Boswellia sacra
- Boswellia serrata
- Birch (Betula lenta)
- Cajeput (Melaleuca minor)
- Cardamom (Elettaria cardamomum)
- Red cedar, Eastern red cedar (Thuja plicata)
- Clove (Syzygium aromaticum): often synthesized or adulterated.
- Cumin (Cuminum cyminumm)
- Turmeric (Curcuma longaa)
- Cinnamon bark (Cinnamomum verum): often synthesized or adulterated.
- Hemlock, Red, White, Norwegian spruce, (except Black spruce)
- Eucalyptus dives
- Cinnamon leaf (Cinnamomum zeylanica)
- Galangal (Alpinia galanga)
- Galbanum (Ferula gummosa)
- Wintergreen, Woodland tea (Gaultheria procumbens): often synthesized or adulterated, an overdose can cause vomiting
- Daneth seed (Anethum graveolensns)
- Caraway seeds (Carum carawai)
- Helichrysum splendidum
- Hinoki (Chamaecyparis obtusa)
- Hops (Humulus lupuluss)
- Jasmin (Jasminum officinale): not an oil, but an Absolute, made with solvents and often synthesized or adulterated.
- Lavender Aspic (Lavandula latifolia): often synthesized or adulterated.
- Lavandin (Lavandula X intermedia): often synthesized or adulterated.
- Field mint (Mentha arvensis): often synthesized or adulterated.
- St. John's Wort (Hypericum perforatum)
- Mustard (Brassica nigra)
- Lemon Myrtle (Backhousia citriodora)
- Neroli (Citrus sinensis, Citrus aurantium)
- Ocotea (Ocotea quixos)
- Opoponax (Commiphora guidotti)
- Oregano Onites (Origanum Onites)
- Palo Santo (Bursera graveolens)
- Pennyroyal, Mint Pouliot (Mentha pulegium, several species)
- Crown pepper, Indian Wood, Indian laurel (Pimenta racemosa)
- Allspice, Jamaican Pepper (Pimenta officinalis)
- Ravensara (Agathophyllum aromatica, Ravensara aromatica)
- Ravintsara (Cinnamomum camphora)
- Rosalina (Melaleuca ericifolia)
- Sassafras (several species)
- Tagetes (Tagetes minuta)
- Blue tansy (Tanacetum annuumm)
- Thuja (Tsuga canadensiss)
- Vanilla (Vanilla planifora): not an oil, but an Absolute, made with solvents and often synthesized or adulterated.
- Yuzu (Citrus junos)
- Zdravetz (Geranium macrorrhizum)
- Zinziba (Lippia javanica)
1SHELTON, M. The Animal Desk Reference II: Essential Oils for Animals. Self Published, 2018. ISBN: 9781986827010.