Diane Abernathy B.S., C.H.S., C.A.
The Essentials of Essential Oils
Essential oils are also called volatile oils. They are volatile to the air,
odorous and although called oil, are not fatty. One of the ways used to test
essential oils to see if they are adulterated is to rub them between your fingers,
they should not be oily.
Plants have their own preference at to where they store their essential oils:
- Leaves: mint, melissa, rosemary
- Flower: lavender, rose, jasmine
- Bark: cinnamon, sandalwood
- Resin: frankincense, myrrh
- Rind: lemon, orange
- Root: valerian, vetivert
Their chemistry is complex, they are composed of many different chemical compounds.
The most common being alcohols, aldehydes, acids, esters, lactones, hydrocarbons,
phenols and ketones. They will also vary considerably depending upon the geographic
origin, environmental conditions, harvesting, extraction and storage methods.
The extraction methods vary depending upon the plant. Distillation, by steam
or water is the most important method. They may be squeezed as with lemon and
orange peels. Enfleurage is an old method of extraction of dissolving the essential
oil into a fatty substance. Extraction is the most widely used modern method
to extract oils from flowers, and consists of dissolving the oils in a solvent
such as petroleum, ether or benzene and then evaporating away the solvent.
Oils vary in strength and quality. Know your supplier, because it is difficult
for the average person to tell about the quality of an oil. Oils vary widely
in cost, depending on the amount of plant material it takes to produce the oil.
If they are too cheap or all the same price, beware. Particularly if rose and
jasmine are inexpensive, they can not be pure. They may be dilutes, that is
mixed with an oil, probably jojoba to cheapen them, but give the consumer the
real oil at an affordable price. Perfume oils are not the real thing, they may
smell fine and be okay for your purposes, but for true therapeutics, they are
not appropriate.
Store in a cool, dark place. They will last several years. Essential oils do
not go "bad", but just get weaker. I have some 10 year old patchouli and sandalwood
and they smell very good.
Most oils are highly antiseptic, both upon contact and as a vapor. Some of
the strongest antibacterial oils are lemon, thyme, juniper, lavender, eucalyptus,
sandalwood, peppermint, rosemary and tea tree. Antifungal oils are lavender,
tea tree, chamomile, thyme and myrrh. Antiviral activity can be expected from
garlic, lavender and tea tree.
How to Use Essential Oils
Scenting the air: candles (put drops in the melted wax in the top of
the candle), light bulbs, candle or electric diffusers, olive oil lamps, unglazed
clay pots, cotton balls, room sprays, steam vaporizer
Baths: 5 to 10 drops--can do full bath, hand or foot bath and sitz bath
Shower: up to 8 drops on sponge or cloth, rub on body under water
Insect repellent: 3 parts rubbing alcohol to one part essential oil,
such as citronella, pennyroyal or lavender. Shake before using.
Inhalant: 3 to 12 drops in a steaming kettle
Facial Steam: 5 to 15 drops in a steaming kettle
Neat: Some essential oils can be used neet or straight from the bottle,
such as lavender on burns or insect bites. Many oils, however, are too strong
to be used straight on the skin, and need to be diluted in a carrier oil.
Household disinfectant: Add 5 to 15 drops to your cleaning or mop water.
Smelling salts: Lavender or peppermint can be helpful
Oral: Not usually recommended without supervision of a practitioner.
Dosage varies considerably depending on the particular oil, 2 to 5 drops being
a common dosage administered on a sugar cube or in honey.
Perfumes: Used as singles or blends, either neet or as perfume oil with
jojoba oil as a carrier or base oil.
Oil based products: Essential oil mix with oils better than any other
solvent. They are used extensively in medicinal and cosmetic products, both
commercially and in home produced creams, lotions, balms and salves. Besides
the choice of essential oils used, the quality and use of the product is strongly
determined by the choice of carrier oil.
Massage and bath oil: 1 to 30 drops per ounce, to "smell" or as therapeutically
desired. 1 to 5 drops per teaspoon.
Carrier Oils
Carrier oils are what the oils are called that essential oils are mixed or
diluted with. A good quality vegetable derived oil is the best choice. I recommend
that you avoid mineral oil (which is used in most baby oils), as it tends to
destroy the fat soluble vitamins A, D E, K and F as it is absorbed and metabolized.
Almond Oil: This is a nourishing, non-drying and demulcent oil and is
nearest to the oil in the skin. It has a light aroma, and makes an excellent
cosmetic or massage oil for all skin types.
Jojobe: Comes from the shrub jojoba (simmondsia chinensis), and is good
for all skin types, especially ageing skin. It is different from other seed
oils and is barely oily, more waxy in texture. It is a fine, penetrating, odorless
oil, stable and very long lasting. It is used as a single oil for perfume base;
and usually used about 10% in cosmetic oils.
Olive: A pale yellow or light greenish oil with a slight characteristic
odor, that is nutritive, demulcent and considered healing in it's own right.
It is the best for medicinal preparations like healing salves, but too oily
for straight cosmetic or massage purposes and must be mixed with other oils.
Sesame: A pale yellow and almost odorless oil that is considered important
in the Aurvedic healing discipline. A good lubricant especially for rheumatic
conditions and is a natural cleanser.
Good oils can be obtained at herb and natural food stores, cold pressed oils
being the best. They do require refrigeration to help prevent their becoming
rancid. You can also extend their life by adding vitamin E and tincture of benzoin.
- ¼ teaspoon tincture of benzoin to one cup oil
- 500 I.U. Vitamin E to one cup oil
Some commercial body lotions or creams, like Flower Essence Service's Self
Heal Cream, can have essential oils of your choice mixed into the product. Add
just a few drops at a time and stir well.
Infused Oils: An infused oil is basically prepared by heating the base
oil and herb together and extracting the essential elements from the plant into
the oil. The plants can be dried and finely crushed; or fresh, allowed to wilt
overnight and chopped finely. For the solar method they are put into a jar,
covered with oil and set in the sun for two weeks, shake daily.
A quick method is to put the herbs and oil into a heavy kettle or waterbath
over low heat and simmer until the herbs are crisp.
Toxicity of Essential Oils
All essential oils should be used with caution. Side effects are caused primarily
by overdosing or incorrect administration. Most oils should not be used neet
on the skin, they can cause skin irritation. Some people develop a skin sensitivity
such as a dermatitis type rash, after prolonged use of an oil. Mucus membranes
are particularly sensitive.
Oils containing phenols, such as thyme, cinnamon, clove, basil, oregano and
savory, should be used with care. Liver toxicity may occur if used in high doses
for an extended time. Another chemical group that causes problems are the ketones,
contained in mugwort, sage, tansy, thuja, wormwood pennyroyal and hyssop oils.
| Oils to use with caution: |
| Basil* |
Bergamot |
| Camphor* |
Cedarwood* |
| Cinnamon |
Clove |
| Eucalyptus |
Hyssop* |
| Mugwort* |
Oregano |
| Parsley* |
Pennyroyal* |
| Peppermint |
Rosemary |
| Rue* |
Sage* |
| Sassafras |
Tansy* |
| Thuja* |
Thyme |
| Wormwood* |
| * Do not use when pregnant or nursing, also including
clary sage, marjoram and myrrh. |
My Favorite Oils:
Bergamot-antiseptic, antispasmodic, herpes sores, urinary tract infection,
draws boils, depression, anxiety and tension. Used in perfumery and skin care,
for oily skin and acne. Can cause photosensitivity.
Birch- Analgesic, arthritis, muscular and articular pains, kidney and
urinary tract disorders.
Cinnamon-Antiseptic, antispasmodic, digestive stimulant, inhalation
for respiratory conditions, stimulant, warming.
Clary Sage-Antidepressant, antispasmodic, general tonic, euphoric, relaxing,
warming, relieves stress, menstrual cramps, fixative. Nice relaxing bath.
Clove-Analgesic, antiseptic, stimulant, stomachic, carminative, tooth
aches. Used in mosquito and clothes moth repellant.
Eucalyptus-Antiseptic (particularly of respiratory and urinary tract),
anti-viral, sooths coughs and bronchitis, antirheumatic.
Juniper-Antiseptic, analgesic (rheumatic pain), nervine, sedative, tonic,
acne, eczema and other skin rashes. Makes a good household disinfectant.
Lavender-Number one first aid oil, can be used neet. Antiseptic, analgesic,
antiviral, antifungal, antidepressant, hypotensive, insecticide. It is soothing,
calming, balancing, normalizing and aids sleep. Can be used for burns, skin
rashes, colds, sinus problems, headache (rub on temples), muscular and rheumatic
pain, menstrual pain, neutralizes poison of insect and snake bites. Used in
perfumery and skin care, acne and hair care.
Lemon-Antiseptic, anti-inflammatory, carminative, digestive, hypotensive,
sedative, immuno-stimulant (supports white blood cells).
Melissa-Antidepressant, antispasmodic, nervine, sedative, tonic, hypotensive,
emmenagogue, regulates menstrual cycle.
Peppermint-Antiseptic, antispasmodic, analgesic, stomachic, nausea,
vomiting, respiratory disorders, fevers, colds. Cephalic, stimulates brain and
aids clear thinking. Smelling salts for shock.
Patchouli-Antiseptic, antidepressant, antifungal, anti-inflammatory,
tonic. Perfumery, cosmetics, acne, eczema, athletes foot.
Rosemary-Antiseptic, analgesic, antispasmodic, tonic for heart, liver
and gallbladder, lowers cholesterol. nerve stimulant, respiratory, colds, sinus,
headaches, muscular pain. Cephalic, stimulant, improves memory and mental clarity.
Sandalwood-Antiseptic, antispasmodic, antidepressant, sedative, tonic,
respiratory, kidney stimulant. Perfumery, fixative, cosmetic use, skin care
for all skin types, aphrodisiac.
Thyme-Antiseptic, antispasmodic, antifungal, antivenomous, anxiety,
nervousness, coughs, colds, circulatory disorders,raises blood pressure, digestive
and urinary disinfectant, rheumatic pain. Cephalic, improves memory.
Tea Tree-Antibiotic, antifungal, antiviral, immuno-stimulant, sinus,
cold sores, shingles, acne.
Ylang Ylang-Antiseptic, antidepressant, calming hypotensive, sedative.
Used to calm strong emotions, shock, fright, anxiety, anger. Perfumery, cosmetic
for oily and dry skin, aphrodisiac.
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