Essential Oils are highly concentrated substances and it is important to be aware of, and follow, a few cautionary guildelines to help you to gain the most benefit from the oils.
Safety Directions: Please read the following carefully before using any essential oils.
essential oils should not be taken orally unless under the guidance of a health care professional.
do not use the following oils during pregnancy without professional advice: Basil, Cedarwood, Clary Sage, Coriander, Hyssop, Jasmine, Juniper, Marjoram, Oregano, Myrrh, Peppermint (which should also be avoided while nursing), Rosemary, Sage and Thyme. Some authorities recommend that you do not use any essential oils in the first trimester of pregnancy, again, check with a professional aromatherapist first.
If you have low blood pressure avoid chamomile and marjoram
if you have high blood pressure avoid rosemary
if you have kidney problems avoid black pepper and juniper
if you have epilepsy avoid black pepper, clary sage, fennel and rosemary
if you have problems with a low libido avoid marjoram
if you are going out into the sun do not use the photosensitive oils within 4 hours prior to exposure to sunshine - bergamot, lemon, sweet orange, grapefruit, mandarin, petitgrain
if you have consumed alcohol or are going to be driving or operating heavy equipment avoid clary sage, marjoram and ylang ylang
if you have sensitive skin always do a patch test on your inner arm by gently rubbing a small amount of the essential oil you want to use diluted in a carrier oil on the area and waiting for a few mintues to see if you are going to get a reaction. The citrus oils are most prone to irritating sensitive skin.