Ravensara – Fights infection, safe for children (Ravensara aromatica) This steam-distilled oil has a scent reminiscent of eucalyptus. It is used to treat flu symptoms and bronchitis. Useful for fighting viral infections and to rid the body of toxins produced during illness. Said to enhance libido. Bath: A few drops in the bath will often avert the flu or help relieve the symptoms of illness more quickly. Avoid if pregnant.