- The following essential oils should not be used with anyone suspected of being vulnerable to epileptic seizures: camphor, fennel, hyssop, rosemary, lavandin, sage, spike lavender, and thuja.
- Essential oils should be used very cautiously during pregnancy and while breast-feeding. Essential oils should be used during these times only under the guidance of an aromatherapist and/or medical professional that is knowledgeable about essential oils.
- Stimulating oils that may increase circulation should be used with caution by people with high blood pressure. Some stimulating oils are camphor, hyssop, rosemary, and spike lavender.
- Always dilute essential oils in a carrier oil* before applying them to the skin. Use a total of 5-18 drops of essential oil in 1oz of carrier oil. If undiluted essential oil contacts your skin, you may experience tingling or burning sensations. Immediately apply carrier oil* to the affected area.
- For children, elders, and these with serious health conditions, essential oils need to be diluted to a maximum of 1%, (a total of 5-6 drops of essential oil to 1oz of carrier oil).
- Do not use essential oils directly on the fur or skin of animals.
- As a general rule, citrus oils, (including bergamot), as well as cumin, angelica root, rue, lemon verbena, and tagetes are photosensitizing. Sunlight or sunbed rays must be avoided for at least 12 hours after application. These oils applied to the skin at any dilution will likely increase the chance of severe burns from ultraviolet light.
- Do not put essential oils in or around the eyes or near other orifices. If essential oil does contact these areas, immediately flush with carrier oil and wipe off excess. If irritation persists, seek medical advice.
- Persons who have allergies to perfumes should proceed cautiously with oils
Essential oils should never be used internally without medical guidance.
Keep all essential oils out of the reach of children; they can be poisonous if swallowed.