Citronella (Cymbopogon winterianus Jowitt) is native to Asia and was introduced in Brazil in the mid eighteenth century.
Citronella is a plant used for perfumery purposes, as a household disinfectant, bactericide, and also used as raw material for laboratory synthesis of other flavors. It is quite popularly used in agriculture to combat pests such as caterpillars, nematodes, mosquitos , fungi and bacteria.
Studies indicate that Neem has fungicidal, antidiabetic, antibacterial, antiviral, contraceptive and sedative properties. It is a very important compound in Ayurvedic and Unani medicine and is particularly recommended for skin diseases. Neem oil is also used to maintain healthy hair, and to treat eczema and psoriasis.