PREGNANCY

Because of uterine stimulation, or possible toxicity, during pregnancy use a half dilution of all essential oils.

ajowan, angelica, star anise, aniseed, basil, bay laurel, calamintha, all types of cedarwood, celery seed, cinnamon leaf, citronella, clary sage, clove, cumin, sweet fennel, hyssop, juniper, labdanum, lovage, marjoram, myrrh, nutmeg, parsley, peppermint, rose, rosemary, spanish sage, snakeroot, spearmint, tarragon and thyme.

Breastfeeding

Research has shown that jasmine inhibits milk production in lactating mothers.

mint, parsley, sage and jasmine

DERMAL IRRITATION

Some oils may irritate the skin, especially for sensitive individuals or in high concentrations. Dilute these oils in half the usual strength.

ajowan, allspice, aniseed, sweet basil, borneol, cajeput, caraway, virginian cedarwood, cinnamon, clove bud, cornmint, eucalyptus, ginger, lemon, lemongrass, parsley, peppermint, pine needle, thyme and turmeric.

TOXICITY

Some oils should be limited to use for not longer than two week intervals and used in moderation because of toxicity levels.

ajowan, star anise, aniseed, exotic basil, bay laurel, west indian calamintha, white camphor, cascarrilla bark, cassie, virginian cedarwood, cinnamon, clove bud, coriander, eucalyptus, sweet fennel, hops, hyssop, juniper, nutmeg, parsley, spanish sage, tagetes, tarragon, white thyme, tuberose, turmeric, turpentine, pine and valerian.

Photo Toxicity

See table 2