Basil (Ocimum basilicum)
A fresh, sweet and spicy essential oil. It has a strengthening and reviving effect on the nervous system, making it beneficial for mental fatigue and nervous tension. It can also be used to relieve nervousness and anxiety, tension headaches and nervous insomnia. It improves the tone and appearance of the skin. Caution as the oil may irritate sensitive skin.

Bay Laurel (Laurus nobilis)
This essential oil is used to relieve aches and pains. It may also be used for treating colds, flu, sore throats and viral infections.

Bergamot (Citrus bergamia) A refreshing and cooling essential oil with a sweet fruity odour. It soothes nervous tension, and can help with depression and anxiety. It has a soothing effect on the psyche while being refreshing at the same time.
Black Pepper (Piper nigrum)
A hot, dry, spicy oil with a great warming effect. It's very useful for relieving muscular aches and pains. It also stimulates the digestive and circulatory system, stimulating the detoxifying process, making it useful in the treatment of cellulite.

Cardamon (Elettaria cardamomum)
A warm, spicy aromatic essential oil. It is a good digestive aid, helpful for flatulence, diarrhoea and nausea.

Cedarwood (Cedrus atlantica)
It has a mild balsamic woody odour. This essential oil is helpful for oily skin and hair, dandruff and skin irritation, acne and skin rashes, and fungal infections like athletes foot. It is also beneficial in the treatment of mucousy coughs, colds, and bronchitis, and is excellent in the treatment of nervous tension, chronic anxiety, depression and tiredness.

Chamomile, Blue/German (Chamomilla recutica)
This essential oil is extremely helpful on allergic or sensitive skin due to its anti-inflammatory and soothing action. It is soothing and calming, particularly when stress or anxiety is inclined to make a person fretful, irritable or nervous.  (I do not have this essential oil but left it in the list for the similar healing properties mentioned below).

Chamomile, Roman (Anthemis nobilis)
It has similar properties to blue chamomile, but Roman is preferred for problems with the nervous system.

Citronella (Cymbopogon nardus)
This essential oil has a powerful lemony scent. It's main usefulness is as an insect repellent.

Clary Sage (Salvia sclarea)
Has a tonifying, strengthening and warming effect, helping to create feelings of well-being and calm. It's excellent for treating tension and depression, particularly due to hormonal problems. It also prevents excessive sweating.

Coriander (Coriandrum sativium)
Has a fresh spicy scent. Strengthening to the nervous system, a natural deodorant and good for the digestive system.

Cypress (Cupressus sempervirens)

A very warming, stimulating and uplifting oil. It helps to relieve muscle aches and pains, and abdominal or menstrual cramp. It is good for used in the treatment or varicose veins, haemorrhoids and broken skin capillaries.

Eucalyptus (Eucalyptus globulus)
It is a warming oil with antiseptic properties. This oil has a medicinal smell, and is very good in steam inhalations to relieve cold symptoms, sinus congestion and mucousy coughs

Frankincense (Boswellia thurifera)

Its toning and rejuvenating properties make it one of the most important oils for improving skin tone and treating aging skin and wrinkles. It also reduces scar tissue. It has an uplifting action and is useful if feeling stressed, tired, overwhelmed or anxious.

Geranium (Pelargonium graveolens)
Has a balancing effect on the skin making it suitable for dry, oily or problem skin. It is also calming to the nervous system, making it useful for treating anxiety, tension and restlessness.

Ginger (Zingiber officinalis)
It has a pungent, lemony, hot taste with stimulating properties, and is deeply warming. It can help to strengthen immunity, settle the stomach and relieve flatulence and nausea.

Grapefruit (Citrus paradis/grandis)
This oil has a fresh citrus sweet odour. On the skin it is very cooling, cleansing and antiseptic, and is helpful for oily skin, open pores and acne. It has a balancing effect on the emotions, it's uplifting nature brightens up dark and depressive moods and boosts confidence.

Juniper/Juniper Berry (Juniperus communis)
A warming, stimulating, refreshing and tonifying essential oil, with a pleasant woody smell. It is healing to the skin, especially good for skin that is prone to black heads and acne, and generally cleansing

Lavender (Lavandula angustifolia)
This oil has a familiar sweet fragrance. It is relaxing, soothing and balancing. It is very healing and may be used for burns, sunburn, wounds, bites, dermatitis and any inflammation of the skin. It promotes rapid healing and helps prevent scarring. It also has a mild analgesic property which helps in the treatment of general aches and pains like headaches and muscular pain.

Lemon (Citrus limonum)
Lemon has a fresh, sharp scent. It is very antiseptic and generally tones, stimulates and strengthens. It's toning properties help combat wrinkles. It is used in treating greasy skin, broken capillaries, cold sores and insect bites.

Lemongrass (Cymbopogon citratus)
Has a strong, fresh-grassy and lemony odour. This oil is toning and deodorising, and can be used to treat open or blocked pores and acne. It is a mild antidepressant, that will relieve stress and nervousness exhaustion and can soothe a headache.

Mandarin (Citrus reticulata)
Has an extremely sweet smell. Beneficial for the treatment of stress, nervous tension and insomnia. It is also used to help gastric complaints.

Myrrh (Commiphora molmol)

Myrrh is antiseptic, healing, and anti-inflammatory. It is regarded as a skin preserver capable of delaying wrinkles and other signs of aging skin. It is also stimulating and strengthening.

Neroli (Citrus aurantium)
Possesses a refreshing floral smell. It relaxes and uplifts, therefore it will benefit people who feel depressed, exhausted, anxious and confused. Also useful for treating mature skin. Caution: One of the more extravagant oils.

Orange, sweet (Citrus sinensis)
Has a sweet, refreshing pleasant odour. It has a relaxing and uplifting effect and is therefore used to treat stress, nervous tension and depression. It is also useful on dull and tired skin due to its toning properties.

Peppermint (Mentha piperita)
A cooling menthol oil, it is good for coughs, asthma, sinusitis, flu and head colds. Its stimulating and analgesic properties make it very effective for neuralgia, muscular pains, migraines and headaches. It is also good for digestive system upsets including flatulence and indigestion.

Rosemary (Rosmarinus officinalis)
A warm herbal aroma. It stimulates the circulation and is excellent for hair and scalp problems, including poor hair health, hair loss and dandruff. Its antiseptic quality makes it beneficial for colds, flu and coughs too.

Tea tree (Melaleuca alternifolia)
This oil is an excellent germicidal and antifungal, so helps with athletes foot, verrucas, warts and other skin infections. It is also excellent for cold and flu relief.

Thyme (Thymus vulgaris)
An excellent antiseptic oil. Good for stimulating the immune system and treating many kinds of infections and viruses. It is very powerful when used as an inhalant.

Vetiver (Vetiveria zizanoides)
This oil has a woody, earthy, almost smoky smell. It both calms and strengthens the nervous system. It is excellent in cases of depression, many stress related conditions, debility and insomnia. Most appropriate when feeling overwhelmed or under pressure.

Ylang Ylang (Cananga odorata)
A powerful exotic floral smell with a reputation as an aphrodisiac. It also has a relaxing effect on the nervous system and is suited to those who push themselves too hard.

INFORMATION ABOVE TAKEN FROM THE FOLLOWING WEBSITE: 

http://www.woodlandherbs.co.uk/acatalog/aromatherapy_essential_oils_list.html