121. Tea Tree (Melaleuca alternifolia - Australia)

Tea Tree is the most medicinal of the essential oils, with powerful anti-microbial activity against all three of the infectious organisms: bacteria, viruses and fungi. When diffused in an oil burner, tea tree is particularly helpful in preventing the spread of air-borne infections. Together with its powerful immuno-stimulant properties, it is a real ally in combating many illnesses and ailments. Overall, it is penetrating, medicinal and stimulating. Psychologically, it invigorates mind, body and spirit; inspires confidence; Tea Tree also strengthens subtle energies.

122. Wintergreen (Gaultheria procumbens - Nepal)

Wintergreen oil extracted from the leaves. It has sweet minty aroma, very similar to Peppermint Oil and has wide variety of uses in aromatherapy and body products for its energizing and immune enhancing properties since it lowers inflammation and reduces pain. Diluted wintergreen oil can be applied topically or diffused via a vaporizer. It's popularly used for treating or relieving certain health conditions. It's most renowned as a pain reliever for muscular problems. In fact, it is usually added to liniments and topical pain relievers.

123. Anise Star (Illicium verum - Thailand)

Anise Star is native to China, Vietnam, and Thailand. It has colorless to pale yellow oil with a warm, spicy-sweet aroma. Known for its beneficial effects on the digestive system, it provide relief from colic and flatulence. Additionally, it has been traditionally used as a stimulant for cardiac fatigue while also helping to ease palpitations. It is a general tonic for the circulatory system and respiratory tract, and has been known to alleviate asthma and breathing difficulties. With its stimulating and warming, it can also be useful for relieving colds.

124. Basil Wild (Ocimum gratissimum - Vietnam)

It is also known as "African basil" or "clove basil." It is a perennial herb in the mint family, native to tropical Africa, and it is known for its strong, spicy and clove-like aroma. The leaves of the plant are steam-distilled to produce the essential oil, which is used in perfumery, aromatherapy, and traditional medicine. It is known to have many beneficial properties such as being antimicrobial, anti-inflammatory, and analgesic. It is also commonly used to relieve stress, headaches and to boost the immune system.

125. Cajeput (Melaleuca leucadendron var. cajuputi - Indonesia)

Cajeput is best known as an inhalation for colds and other respiratory infections, and effectively clears the nasal passages while inhibiting the bacteria that proliferate in the mucus formed during colds and flu. It also has pain-killing properties which help to reduce the discomfort of sore throats and headaches that accompany colds. The essential oil can irritate the skin, it need to be well diluted and should not be contacted with the mucous membranes. For situation that might be used on the skin, Tea Tree would be a safer choice.

126. Cedarwood Atlas (Cedarus atlantica - Morocco)

Cedarwood is fortifying, calming and opening. It is the first choice for men skin and hair-care products. It improves oily skin, acne and dandruff. It is also good for treating urinary-tract infections, coughs and chronic bronchitis. Psychologically, cedarwood reduces fear and helps you discover inner strength and courage. It is good for calming nervous tension and stress. Cedarwood is good in meditations and especially helps to instill confidence. It is a good general tonic for strengthening subtle energies. Cedarwood must be avoided to use during pregnancy.

127. Clove Bud (Eugenia caryophyllus - Indonesia)

Clove bud is the first choice as first aid for toothache. A couple of drops of clove essential oil on a cotton wool bud, applied to the aching tooth, has a slight anesthetic affect, relieving pain for a few hours. If the pain is caused by a lost filling, a piece of cotton wool soaked in clove oil and inserted into the cavity will have the same analgesic, anesthetic effect. It strong antiseptic properties make clove good at preventing colds and influenza. Overall, clove is pain-relieving, comforting and revitalizing. Psychologically, clove is both restorative and stimulating.

128. Labdanum 10% (Cistus ladaniferus - Spain)

Labdanum is the fragrance of perfumed prophecies; this warm, amber elixir is the absolute version of Rock Rose Essential Oil. The ancient Egyptians have burned it as fragrant incense. Similar in scent to musk and ambergris, Labdanum is a sought-after absolute used in perfumery to emulate some of the world’s most precious fragrances. It has powerful, characteristic amber odor. The only plant to have amber notes similar to those of ambergris, it is also known as “vegetable ambergris,” which found mainly in southern Spain, in Andalusia.

129. May Chang (Litsea cubeba - Indonesia)

May Chang or called "Litsea Cubeba" is native to China. The lemon-scented oil is extracted from the fruits and very rich in citral with some linalol. Litsea cubeba is valuable in skin care as it is non-irritant, very antiseptic and effective in treating oily skin, acne and spots with no risk of phtosensitivity, it's widely used as a replacement of citrus oils in facial application. It reduces excessive perspiration and it's refreshing scent can be used as a very good deodorant. Being antiseptic and deodorising, May Chang is very suitable to use as an air-refreshener.

130. Spearmint (Mentha spicata - South Africa)

Spearmint has a dual action by cooling when hot and warming when cold. This makes it a good remedy for colds by halting mucus and fevers and encouraging perspiration, useful in respiratory disorders generally as well as dry coughs and sinus congestion. It has a relaxing and slightly anesthetic effect on stomach muscles, may be helpful for kidney and liver disorders. Its cooling nature seems to relieve states of anger and nervous trembling, excellent for mental fatigue and depression. Blend well with Cypress, Lavender, Marjoram and Rosemary.

131. Valerian Root 10% (Valeriana officinalis - Nepal)

Valerian, highly esteemed since medieval times, was once referred to as "all heal". It has been used for a variety of complaints, especially where there is nervous tension or restlessness, such as insomnia, migraines, dysmenorrhea, intestinal colic, rheumatism, and as a pain reliever. It has the ability to relax the central nervous system and smooth muscle groups. It has been used as a sleeping aid for hundreds of years, particularly when there is excitation or difficulty falling asleep due to nervousness.

132. Basil Sweet (Ocimum basilicum ct. methyl chavicol - Thailand)

Sweet Basil is a good tonic for the nerves especially when feeling fragile, sharpening the senses and encouraging concentration. Apparently calms nervous disorders, yet seems to have and uplifting effect on depression. Basil seems to have a beneficial action on the respiratory tract and is often used for sinus congestion, asthma and influenza. Also effective in digestive disorders, imitates the oestrogen hormone and often useful with menstrual problem such as scanty periods and engorgements of breasts. It gives rapid expulsion of afterbirth.

133. Citronella (Cymbopogon winterianus - Thailand)

Citronella essential oil is obtained from a scented grass similar to lemongrass that grows and is cultivated in Sri Lanka, Thailand, and Indonesia. It is usually pale yellow to yellowish-brown with a powerful lemony scent. It can be used in a massage oil for rheumatism and is most widely used as an insect repellent as well as in the manufacture of soap and household disinfectants. This oil blends well with Lemongrass and Eucalyptus to make a softer scent for making insect repellent room sprays. Citronella winterianus has a very strong characteristic.

134. Clove Leaf (Eugenia caryophyllus - Madagascar)

Clove leaf is the first choice as first aid for toothache. A couple of drops of clove essential oil on a cotton wool bud, applied to the aching tooth, has a slight anesthetic affect, relieving pain for a few hours. If the pain is caused by a lost filling, a piece of cotton wool soaked in clove oil and inserted into the cavity will have the same analgesic, anesthetic effect. It strong antiseptic properties make clove good at preventing colds and influenza. Overall, clove is pain-relieving, comforting and revitalizing. Clove Leaf is lighter oil comparing with Clove Bud.

135. Eucalyptus Spain (Eucalyptus globulus - Spain)

Eucalyptus boasts a variety of benefits. Its antiviral properties make it useful for skin eruptions such as herpes and burns, and it helps to prevent bacterial growth and aids in new tissue formation. Its cooling effect eases emotional turmoil, improves concentration and strengthens the nervous system. Additionally, it has a soothing effect on the respiratory tract, providing relief from inflammation and mucus, making it effective for influenza, throat infections, coughs, catarrhal conditions and sinusitis. The oil from Spain is considered to be of higher quality.