Neem oil is derived from Azadirachta indica, a type of mahogany tree indigenous to Southern Asia. Neem oil is an ancient ayurvedic remedy used to treat a variety of skin conditions. The oil is also widely used as a natural pesticide and insecticide. It is chemical-free, and although it is toxic to many insects and fungi, it is safe for human use.
History
Early Sanskrit texts refer to "arishtha," or neem, for its remarkable healing properties. Along with neem oil, the fruits, leaves and bark are also referred to in the writings for various medicinal purposes. Neem oil is a natural antiseptic and is used to treat boils, eczema, ringworm and other skin infections.
Medicinal Uses
Neem oil is used to treat many fungal infections. Neem is considered toxic to the fungi of the following genera: trichophyton, which causes athlete's foot; Epidermophyton, which causes ringworm; microsporum, which causes ringworm; Trichosporon, which infects the intestinal tract; Geotrichum, which infects the bronchi and mucus membranes with a yeast-like fungus, and candida, which is also a yeast-like fungus. As an antibacterial, neem oil also may help control certain strands of staphylococcus aureus and salmonella typhosa.
Other Uses
Neem oil is an effective insect repellent, and it is also toxic to some insects. Rub neem oil on your skin to repel mosquitoes and lice. Spray neem oil on plants, fruits and vegetables to protect against aphids, white flies, armyworms and leafminers. The oil is not toxic to mammals, so it is safe to use on edible plants also. Neem oil is also used as a spermicide before and after intercourse when used in vaginal suppositories and creams. The oil is also used cosmetically on the hair and scalp. Add neem oil to your shampoo to fight dandruff flakes, or mix with another oil of your choice to increase the shininess of your hair.
Considerations
Neem oil has a smell similar to a mixture of garlic and peanuts. It may be slightly difficult to remove the aroma from the skin if the oil is highly concentrated. You may mix neem oil with other oils or with water to dilute.
Warning
Consult a physician before using neem oil internally. Children, infants and pregnant women should not use neem oil. Long-term use and large doses of neem is not recommended. The U.S. Food and Drug Administration has not evaluated the use of neem.
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