Ocimum basilicum

Basil was used in baths and body massage by ancient Greek nobles for its fragrant perfume. The Egyptians used the aromatic fragrance in their offerings to the gods and also mixed it with essences of myrrh and incense to embalm bodies.In India it is believed to offer protection to the soul and is sacred to the Hindu gods Krishna and Vishnu
Therapeutic effects: Ideal as a nerve tonic, to lift fatigue, anxiety and depression. Also good for bronchitis, cold, fever, gout and indigestion.
Uses: Inhalation, baths and massage. It has both hot and cold qualities. When used in the bath or smoothed over the body it has an invigorating effect- great for sluggish skin and pepping up circulation. Combined with other oil such as thyme it also acts as a powerful antiseptic.
Other popular ways apart from the above include, diffusers, on your pillow at night, meditation, car air fresheners and in steam / saunas.
Cautionary note: A powerful depressant if over-used. Also best to avoid during pregnancy.