Origin of Neem essential oil:
Native to India, Neem is widely planted and naturalized in semiarid areas throughout Asia and Africa. Neem is an evergreen of the tropics and sub-tropics. 

Description of Neem :
Neem is a medium sized to large tree characterized by its short straight trunk, furrowed dark brown to gray bark and dense rounded crowns of pinnate leaves. Neem is nature's answer for protection against the degenerative effects of a modern polluted environment. The Neem tree has been known as the wonder tree for centuries in the Indian subcontinent. It has become important in the global context today because it offers answers to the major concerns facing mankind.

Appearance : Viscous liquid

Aroma : Rich, Earthy and Green musty smell.

Color : Brown 

Chemical constituents:: Neem oil has various chemical compounds that include Margosic Acid, Nimbin,Nimbidin, Nimbinin, Kaempeerol, Azadirone, Quercursertin, B - Sitosterol, Praisine,Vanilic Acid, Nimbicetin and Meliacins.

Extraction: It is obtained by solvent extraction of seed, fruit or kernel

Aromatherapy uses: 
It may inhibit the development of viruses and prevent them from entering and infecting cells. Neem appears to be an appropriate herbal remedy for numerous skin disorders. It is rich in fatty acids and glycerides and together with its healing properties provides an excellent natural moisturizing base for skin care formulations. It is a very lubricating and penetrating oil and is considered a supremely "healing" oil, useful for painful joints and muscles. It has a very beneficial effect on clearing up scalp conditions and dandruff and is also used to promote healing of wounds.

Pharmaceutical uses:: 
It is one of the most widely used ayurvedic herbs and is used to detoxify the body. A new and recent development is to use it for treating diabetes. It has been used to treat malaria, tuberculosis, arthritis, intestinal worms as well as to treat skin disease. Some cases of dry psoriasis as well as fungal infections have shown a good response when treated with neem oil. It is also helpful in treating hemorrhoids. Neem oil is mildly antiseptic when applied externally. Neem oil can also suffocate mites, whiteflies, aphids and other types of soft bodied insects on contact. Neem is a herbal remedy for the medication of fever, gastrointestinal disease, skin disorders, respiratory disease, intestinal parasites, immune system disorder and yeast infections in pets.