| Basil (Ocimum basilicum) | May irritate sensitive skin. Avoid during pregnancy. |
| Benzoin (Styrax benzoin) | May cause skin sensitivity. Do not use on children under 4 years old. |
| Bergamot (Citrus bergamia) | Phototoxic – avoid exposure to direct sunlight for 12 hours after use. |
| Black Pepper (Piper nigrum) | Strong irritant in high doses. |
| Cajeput (Melaleuca leucadendron) | Can cause skin irritation so use in low dilutions only. |
| Cardomon (Elettaria Cardamomum) | Will irritate sensitive skin and can cause allergic reactions. |
| Cedarwood (Cedrus atlantica) | Do not use during pregnancy |
| German Chamomile/Roman Chamomile | Use in low dilutions. Can cause dermatitis. |
| Camphor | Use with caution. See “camphor” page on website. |
| Cinnamon (cinnamomum zeylanicum) | Avoid during pregnancy. Do not use during or in conjunction with chemotherapy. Skin irritant – use in low dilutions. Cinnamon Bark is for inhalation only |
| Clary Sage (Salvia sclarea) | Avoid during pregnancy. Avoid drinking alcohol. Strong sedative! |
| Clove Bud (Syzgium aromaticum) | Very potent oil, use in low dilution and with caution. Clove leaf and clove stems are not safe to use. |
| Cypress (Cupressus sempervirens) | Avoid during pregnancy |
| Eucalyptus (Eucalyptus globulus) | Avoid if epileptic or high blood pressure. Do not use on children under 2 |
| Fennel (Foeniculum vulgare) | Avoid during pregnancy and in epilepsy. Can cause skin irritation. |
| Frankincense (Boswelia caterii) | Avoid during 1st trimester of pregnancy |
| Geranium (Pelargonium graveolens) | Avoid during 1st trimester of pregnancy. May irritate sensitive skin. |
| Ginger (Zingiber officinalis) | May irritate sensitive skin. |
| Grapefruit (Citrus paradisi) | May irritate sensitive skin. |
| Juniper (Juniperus communis) | Avoid during pregnancy and if suffering from a kidney infection / disease |
| Lavender (Lavendula angustifolia) | No known contraindications. |
| Lemon (Citrus limonum) | Phototoxic – do not expose skin to direct sunlight for 12 hours after use. Do not use during the 1st trimester of pregnancy. |
| Lemongrass (Cymbopogon) | May irritate sensitive skin. |
| Lime (Citrus aurantifolia) | Phototoxic – avoid exposure to direct sunlight for 12 hours after use. |
| Mandarin (Citrus madurensis) | Phototoxic – avoid exposure to direct sunlight for 12 hours after use. |
| Marjoram (Origanum marjorana) | Do not use during pregnancy. |
| Melissa (Melissa officinalis) | Avoid during pregnancy and during breastfeeding period. Avoid on children under 2 years old. |
| Myrrh (Commiphora myrrha) | Do not use during pregnancy. |
| Neroli | Avoid using on children under 2 years old. |
| Orange (Sweet) – Citrus sinensis | Phototoxic – avoid exposure to direct sunlight for 12 hours after use. |
| Palmarosa (Cymbopogon martini) | No known contraindications. |
| Patchouli (Pogostemon patchouli) | No known contraindications. Smell might be a bit much for some people. |
| Peppermint (Mentha piperita) | Low dilutions in pregnancy. Not to be used on children under 2 years old. Avoid if epileptic or with any heart disease. Can irritate sensitive skin |
| Rosemary (Rosmarinus officinalis) | Avoid during pregnancy. Do not use if epileptic or with high blood pressure. |
| Tangerine (Citrus reticulata) | Phototoxic – avoid exposure to direct sunlight for 12 hours after use. |
| Tea Tree (Melaleuca alternifolia) | No known contraindications but may irritate sensitive skin. |
| Thyme (Thymus vulgaris) | Strong, use in low dilutions. Avoid during pregnancy. Do not use if high blood pressure. May cause skin irritation. |
| Ylang Ylang (Canangon odorata) | Use in low dilutions. |
