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Aromatherapy Chemistry

Aromatherapy Chemistry

What you can find on this page:

How do we get essential oils ? 
Methods of Extraction

Very Basic Chemistry

Types of Aromatherapy Oils

Eve Taylor Essential Oils

Buy Essential Oils

Find Aromatherapist


Other Gelisy Aromatherapy Pages:

Aromatherapy Guide
Aromatherapy Carrier Oils
Aromatherapy Chemistry
Aromatherapy Oils Application
Aroma Massage
A-Z Essential Oils
Blending Essential Oils

Aromatherapy Chemistry


How do we get essential oils ? Back to Top
Essential oils are not actually oily most of them are very light liquids that do not dissolve in water but evaporate instantly in the air. The liquid is held in tiny sacs in the plant, to get the liquid before it evaporates can be very difficult, there are 4 ways to do this, distillation, expression, maceration, effleurage, gas extraction, solvent extraction. 


Essential oils are far from simple substances. In fact, we dont appreciate how chemically complex essential oils really are. Every essential oil contains an amazing array of carbohydrates and enzymes, proteins and fats, vitamins, minerals and glycosides. But the powerful potential of an essential oil is found in its delicate mosaic of aromatic molecules. Even a fairly simple essential oil may contain anywhere from 80 to 300 different chemical constituents

The aromatic molecules in an essential oil are what gives it its distinctive fragrance. And while fragrance itself can have profound effects upon our emotions, these aromatic molecules, because of their chemical make-up, have many other effects, as well.

Once and plants have been harvested they are processed and stored very quickly to preserve the freshness. The quality of oils like fine wines can vary from year to year, always buy pure natural essential oils cheap synthetic oils may smell ok but do not have the therapeutic value of the real thing. Some oils like rose oil may seem very expensive but it takes on ton of rose petals to make 300g of rose oil.

Methods of Extraction Back to Top

  • Distillation~ high pressure steam passed over flowers in a still essential oil is vaporized, steam carrying the oil passes through a cooling system, the oil condenses and is separated easily from the water.

  • Expression~ normally used for citrus oils , this involves literally squeezing out the oils from rinds and peel into a sponge.

  • Maceration~ flowers are soaked in hot oil to break down cells, releasing fragrance into the oil which is then purified and the aromatics extracted.

  • Enfleurage~ for flower essences which are difficult to extract. Petals and flowers are crushed between wooden framed glass trays smeared with fat until fat is saturated with perfume. 

  • Gas extraction~ has the advantage of not using heat, some oils are destroyed by strong heat, this process uses high pressure to extract the essence.

  • Solvent extraction~ plant material is placed in a container with solvent (hexane), blades inside the drum mix together, solvent dissolves out oil, its placed in another heated vessel, solvent vaporizes off leaving a resin, then separated by pure alcohol.


Very Basic Chemistry Back to Top

Generally essential oils consist of chemical compounds which have hydrogen, carbon and oxygen as their building blocks. these can be subdivided into two main groups 1 hydrocarbons 2 oxygenated compounds.


Chemical Compounds 

  • Terpenes~ limonene-antiviral, found in 90% of citrus oils, pinene-antiseptic found in pine, chamazulene and farnesol-anti inflammatory found in chamomile. Also camphene, cadinene, caryophyllene, cedrene, dipentene, phellandrene, terpinene, sabinene, myrcene.

  • Esters~ probably the most found, including acetate-sedative found in lavender, geranyl acetate-fungicidal found in marjoram. Also bornyl acetate, eugenyl acetate, lavendulyl acetate.

  • Aldehydes~ citral-antiseptic found in lemon. Also benzaldehyde, cinnamic, cuminic, perillaldehyde.

  • Ketones~ some of the most common toxic constituents are ketones thujone found in penny royal mugwort (not used by aromatherapists) not all ketones are dangerous safe to use ones include jasmone and fenchone-ease congestion found in fennel. Also camphor, carvone, methone, methyl nonyl, pinocamphone.

  • Phenols~ these havea strong bactericidal and stimulating effectbut can irritate the skin,thymol-found in tyme. Also carvacrol, mythal eugenol, methl chavicol, anethole, safrole, myristicin, apiol. 

  • Oxides~ the most important which is eucalyptol expectorant found in eucalyptus. Also linalol, ascaridol, bisabolol, bisabolone

Types of Aromatherapy Oils Back to Top

Aromatherapy is the use of essential oils for their scent and therapeutic effect. Here are some of the oils that can be used in aromatherapy.

Essential Oils


Infused Oils




Eve Taylor Essential Oils
We sell Eve Taylor Aromatherapy Products. Sourced and selected from around the world, by experts with over 30 years experience, ensures that your essential oils come from only the finest crops. Strictly controlled quality analysis and evaluation, maintains each essential oil is selected for purity, aroma, and efficacy. Naturally sourced from known botanical species at realistics prices.

Any Essential Oil or any Size not listed, Please enquire for a quote.


Organic Sweet Almond Oil Organic Jojoba Oil
Organic Sweet Almond Oil

Almond Sweet Oil one of the most popular carrier oils. Cold pressed yields the highest quality.
Pale yellow in colour slightly viscous and oily in texture.
High in essential fatty acids. An excellent emollient is beneficial for dry skin. Helps to soothe inflammation.

Essentail Oils★★★★★


Almomd Oil 100ml
Free to Mainland U.K Post


International Shipping Add Once

Organic Jojoba Oil

Jojoba Carrier Oil Cold pressed Jojoba is a light golden coloured liquid wax..
Contains myristic acid which is an anti-inflammatory agent, thus may be beneficial in blends for muscle and joint.
Suitable for all skin types in particular dry scalp, Psoraisis, eczema, chapped skin.

Free to U.K Post Total:£14.99 Essentail Oils



Jojoba Oil 100ml

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Organic Lavender Oil

Organic TeaTree Oil


Lavender Oil




Lavender Essential Oil 10ml
Sweet, fruity, herbal floral aroma.
Properties are balancing, soothing, normalizing, relaxing, and healing.
Blends well with Bay, Bergamot, Chamomile, Clary sage, Geranium, Jasmine, Lemon, Mandarin, Orange Patchouli, Rosemary, Thyme.
Essentail Oils


Lavender 10ml
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Tea Tree Oil



Tea Tree Essential Oil 10ml
A pale yellow to greenish colour with a warm, spicy, medicinal aroma.
Properties include cleansing, purifying, and uplifting.
Blends well with, Lavandin, Rosemary, Nutmeg, Clary sage, Geranium, Marjoram.
Essentail Oils


Tea Tree 10ml
Free to Mainland U.K Post


International Shipping Add Once

Organic Geranium Oil

Organic Rose Oil

Geranium Chinese Oil 10ml
Powerful, leafy-rose aroma with fruity undertones.
Used in skin care products for its fragrance, toning, and cleansing properties. Properties: soothing, mood-lifting, balancing, sluggish congested skin. Blends well with, Basil, Bergamot, Cedarwood, Clary sage, Grapefruit, Jasmine, Lavender, Lime, Rose, Rosemary, Sandlewood

Essentail Oils★★★★★


Geranium 10ml
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Rose Maroc Absolute Oil 5ml
Floral, waxy, and a slightly spicy note. Rich long lasting rose aroma.
Has a soothing effect on emotions. Lifts the heart and eases nervous tension. Romantic and uplifting.
Blends well with, Bergamot, Chamomile, Clary sage, Geranium, Jasmine, Lavender, Neroli, Orange, Palmarosa, Sandalwood.
Essentail Oils


Rose 2ml
Free to Mainland U.K Post


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Mandarin Oil

Roman Chamomile

Expressed from the peel of ripe fruit, the aroma is sweet, tangy with light floral undertones.
Has an uplifting effect
Blends well with Basil, Bergamot, Black pepper, Chamomile, Grapefruit, Lavender, Lemon, Marjoram, Palmarosa, Rose.

Essentail Oils★★★★★


Mandarin Oil 10ml
Free to Mainland U.K Post


International Shipping Add Once

Aroma is strong fruity herbal,  contains only trace amounts of the intense blue azulene,
It is a mild, soothing relaxing oil.
Blends well with Angelica, Benzoin, Bergamot, Geranium, Jasmin, Lavender, Lemon Neroli, Patchouli, Rose, Ylang Ylang

Essentail Oils★★★★★


Roman Chamomile 5ml
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 Find an Aromatherapist in Manchester Back to Top

Andrea Halsall RNA Cimi Ihht

01204 887106
Bolton St
Bury, BL9 0LL

The Diane Nivern Clinic

0161 796 1169
Holistic Health and Cosmetic Enhancements
Bury New Road, Whitefield, Manchester, M45 7SX



Emma Lawson

07913 708419

The International Society,
William Kay House,
327 Oxford Road, Manchester M13 9PG

Human Touch Clinic

0161 881 3421
83a Great Stone Road
Manchester M32 8GR


The Essential Oil Works

01625 536651

77 Wilmslow Rd
Wilmslow, SK9 3EN

Cath Davies

0161 837 3535

The Y Club, Liverpool Road, Castlefield,

Manchester M3 4JR

If you are qualified in Aromatherapy List your clinic here free.

email us your: name, address, phone, email, website, products used, qualifications list@gelisy.com




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