It is a powerful oil when dealing with virsuses of the repspiratory system. It is used exdternally for common cold, cough, head ache etc., anti septi & deodrant.When used with hot&inhaled , it relives decongesion . 2-3 drops of this oil when taken internally with tea- spoonful of sugar , relives chronic spray, diffuser, massage, nhalation sauna bath.